Archive for Optics
TASCO 49TN Refractor Telescope & Microscope
Posted by: | CommentsOrion StarBlast Astro 450mm x 114mm Reflector Telescope Top Deals
Reflector Telescope – Lens Size: 114mm – Magnification: 26x, 75x
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$ 199.95 + $ 19.95 shipping |
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$ 219.95 + $ 9.95 shipping |

Telescopes’ video from the single on Creation Records
Video Rating: 4 / 5
TASCO 49TN Refractor Telescope & Microscope
- 50x50mm table telescope & 900x microscope
- Refractor telescope ideal for land or skyviewing for the young observer
- 19-piece microscope kit includes assorted examination slides, preparation tools & sample slides
Refractor Telescope & Microscope
Rating:
(out of 6 reviews)
List Price: $ 59.99
Price: $ 20.74
Magnacraft® 76 x 900 REFLECTOR TELESCOPE| US $169.95 End Date: Tuesday May-22-2012 5:51:00 PDT Buy It Now for only: US $169.95 Buy it now | Add to watch list |
New 4x30mm Day Pop-up Night Vision Binoculars Telescope
| US $0.85 (0 Bid) End Date: Tuesday May-22-2012 5:56:10 PDT Bid now | Add to watch list |
CELESTRON Powerseeker 50 Refractor Telescope
- Optical Design – Refractor
- Aperture – 50mm
- Focal Length – 600mm
- F-Number – 12
- Finderscope – 5×24
The CELESTRON Powerseeker 50 will bring out the stargazer in each of us, and even serves the astronomical yearnings that lead us to search for heavenly bodies in nearby apartment building windows! Star Diagonal -. 96 Mount – Altazimuth Eyepie
Rating:
(out of 6 reviews)
List Price: $ 49.99
Price: $ 39.00
Celestron 21063 AstroMaster 90 AZ Refractor Telescope
- Quick and Easy Setup
- Mounted StarPointer
- All Coated Glass Optics
If you’re looking for a dual-purpose telescope appropriate for both terrestrial and celestial viewing, then the AstroMaster Series is for you. Each AstroMaster model is capable of giving correct views of land and sky. The AstroMaster Series produ
Rating:
(out of 2 reviews)
List Price: $ 357.95
Price: Too low to display
Meade 8x 50 Mm Reflector Telescope Price Comparison
Apochromatic -Refractor Telescope – Objective Lens Size: 50 mm – Magnification: 8x
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$ 3,599.00 + $ 0.00 shipping |
Celestron NexImage Solar System Imager
- Complete CCD solar system imager produces high-quality planetary images
- View and capture live video on your computer screen
- Software automatically filters out fuzzy frames for sharper image
- Easy to install and use
- Manually control gain, contrast, exposure time, and much more from your PC
Complete CCD solar system imager capable of producing high quality planetary images with tremendous detail / Greater light sensitivity and color fidelityAmazon.com Review Celestron’s NexImage combines a sensitive CCD imaging device with powerful imag
Rating:
(out of 21 reviews)
List Price: $ 99.00
Price: Too low to display
MEADE DS 114EC TELESCOPE/WITH AUTOSTAR/ DC ADAPTER| US $250.00 (0 Bid) End Date: Tuesday May-22-2012 5:56:41 PDT Buy It Now for only: US $300.00 Bid now | Buy it now | Add to watch list |
New White 6" Newtonian Reflector Telescope w Tripod
| US $229.99 (0 Bid) End Date: Tuesday May-22-2012 6:15:49 PDT Buy It Now for only: US $252.99 Bid now | Buy it now | Add to watch list |
Bushnell Voyager Sky Tour 100x 70 Mm Refractor Telescope Top Deals
Objective Lens Size: 70 mm – Magnification: 100x
Abe’s Of Maine![]() |
$ 142.00 + $ 0.00 shipping |
Celestron 21045 114mm Equatorial PowerSeeker Telescope
- Affordable telescope for beginning astronomer; portable yet powerful
- All-glass optical components with high transmission coatings for enhanced image brighness and clarity
- Newtonian optical design with a 114mm aperture and 900mm focal length
- Equatorial mount for tracking the sky
- Includes 3x Barlow Lens (1.25″), 20mm eyepiece, 4mm eyepiece, aluminum tripod with accessory tray
Celestron PowerSeeker telescopes are a great way to open up the wonders of the Universe to the aspiring astronomer. The PowerSeeker series is designed to give the first-time telescope user the perfect combination of quality, value, features and power
Rating:
(out of 26 reviews)
List Price: $ 167.95
Price: Too low to display
Meade 20218 NG-70SM 70MM Altazimuth Refractor Telescope
- Refracting Telescope Perfect For Land Or Sky Viewing
- slow Motion Controls On Both Axes
- find & Track Objects With Precision Controls
- Includes A Red Dot Projection Viewfinder
- heavy-Duty Steel Tube Tripod Provides A Rock Solid Platform
Aperture: 70mm(2.8-Inch). Focal Length: 700mm. Focal Ratio: f/10. The world’s top astronomers got started with a telescope just like this one — and so will you. A quality refracting telescope for land or sky viewing. Perfect for observing Saturn,
Rating:
(out of 1 reviews)
List Price: $ 79.99
Price: $ 44.99
Magnacraft; 35X-350X Power Telescope 5" Diameter Interchangeable Lenses
| US $97.99 End Date: Tuesday May-22-2012 6:22:04 PDT Buy It Now for only: US $97.99 Buy it now | Add to watch list |
Celestron SkyScout Personal Planetarium
- Locates and identifies over 6,000 stars, planets, and constellations with GPS technology
- Red LED backlit display for easy-to-read information
- Accepts SkyTour SD multi-media cards for interactive tours of the night sky
- Includes USB port for easy download of database updates
- Measures 7.4 x 2.5 x 4.0 inches (W x H x D)
Rating:
(out of 152 reviews)
List Price: $ 249.99
Price: Too low to display
Celestron 21035 70mm Travel Scope
- All coated glass optical elements for clear crisp images
- Smooth functioning altazimuth mount with easy pointing to located objects
- Preassembled aluminum full size photographic tripod
Travel Scope 70 was designed with traveling in mind. Highest quality materials used to ensure stability and durability. Minimal maintenance
Rating:
(out of 3 reviews)
List Price: $ 110.95
Price: $ 50.00
Celestron NexStar 130 SLT Computerized Telescope
- Computerized hand control with 4,000-object database
- SkyAlign allows you to align on any 3 bright celestial objects
- Motorized Altazimuth mount
- Focal ratio: f5
- Focal length: 650mm
Celestron Nexstar 130SLT Newtonian Reflector Telescope lets you travel through our solar system and explore nearby stars and galaxies without leaving earth. It acts as a window to worlds beyond knowledge and imagination. With SkyAlign and PC connecti
Rating:
(out of 25 reviews)
List Price: $ 439.00
Price: $ 339.00
New 4x30mm Day Pop-up Night Vision Binoculars Telescope| US $0.90 (0 Bid) End Date: Tuesday May-22-2012 6:28:19 PDT Bid now | Add to watch list |

Official music video
Vivitar VIV TEL 50600 60x/120x Refractor Microscope Telescope with Tripod
| US $10.00 (0 Bid) End Date: Tuesday May-22-2012 6:33:15 PDT Buy It Now for only: US $13.49 Bid now | Buy it now | Add to watch list |
Meade Telescopes Compared With Other Telescopes
Are you looking to buy a telescope? There are several big brands to choose from. Meade telescopes being the worlds largest, and Orion telescope, Celestron telescopes, and many others. In this article, we will compare Meade telescopes to other telescope brands, to find which the best telescope to buy is.
As you read this article, you will discover more about:
* About Meade Telescopes
* Why Buy Meade Telescopes
* Meade Telescopes Compared With Other Telescope Brands
* About Meade Telescopes
Meade telescopes come from a company called – Meade Instruments Corporation. In 1972, John Diebel started Meade as a small mail order telescope seller. They used to sell small reflecting telescopes and telescope accessories.
In 1978 the company started producing Schmidt-Cassegrain telescopes. Meade Instruments Corporation has also produced larger telescopes, which can even be found in some observatories! Today Meade is the leading telescope manufacturer, with its telescopes being found all around the world.
* Why Buy Meade Telescopes
There are many reasons to invest in Meade, when buying telescopes. The biggest reason is the amount of telescopes that are from Meade. This makes finding answers to questions and accessories which fit your telescope, much easier.
There is a wide selection of telescopes from Meade telescopes. And they all are designed to offer good viewing of the heavens.
The price point with Meade telescopes is also good. Telescopes from Meade do have a part premium, because of the brand, but compared with other brands, the price point is similar.
* Meade Telescopes Compared With Other Telescope Brands
Meade telescopes are not the only brand for telescopes; there are some other great ones. Celestron telescopes produce great telescopes, and at one time, were bigger and better than Meade.
Meade telescopes come in many varieties, such as GPS computer controlled telescopes, whereas standard reflectors and refractors. Also Meade has a line of new generation equipment that lets you point to the heavens on an object, and learn in vast detail, information about it. Celestron has also followed suit.
Meade and Celestron telescopes offer similar products, at similar prices. Orion is good with price. Which brand you choose will come down to your own likes and dislikes. When buying a telescope, look at which offers the better deal. Sometimes you can get extras such as a carry case or telescope lenses.
For a telescope which will last for years, Meade and Celestron offer good quality, and their telescopes have many good customer testimonials. The ultimate key being to be able to find these great telescopes.
Luckily there are many places that sell both Meade and Celestron telescopes. Online it can be easier to find a wider range. Make sure you check both models between brands, and see the differences they each offer, and the extra features or accessories you get.
Here are some telescope resources that can help you find and buy a telescope:
* Meade telescopes review
* Various Telescopes for sale
* Meade telescopes for sale
Article from articlesbase.com
| US $0.99 End Date: Tuesday May-22-2012 6:45:14 PDT Buy It Now for only: US $0.99 Buy it now | Add to watch list |
Meade ETX-90EC 90mm Catadioptric Telescope,Tripod,Eyepiece, Hard Carrying Case
| US $350.00 (1 Bid) End Date: Tuesday May-22-2012 6:52:26 PDT Bid now | Add to watch list |
Related Products & Articles
Bushnell Powerview 8×21 Compact Folding Roof Prism Binocular (Black)
Posted by: | CommentsLeupold 7/12x 32 mm Binoculars Best Prices
Golden Ring with Switch Power Technology
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$ 949.99 + $ 0.00 shipping |
Gander Mountain![]() |
$ 949.99 + $ 0.00 shipping |
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$ 949.99 + $ 0.00 shipping |
Nikon EDG Binoculars
Video Rating: 4 / 5
Bushnell Powerview 8×21 Compact Folding Roof Prism Binocular (Black)
- Roof-prism binocular with 8x magnification and 21mm objective diameter
- Multicoated optics guarantee superior light transmission and brightness
- Center focus system makes it easy to sharpen your view
- Nonslip rubber armor absorbs shock; 21-foot close focusing distance
- 378-foot field of view at 1,000 yards; weighs 7 ounces; limited lifetime warranty
Bushnell 8X21 Powerview Black Compact Binocular in Clam Shell Blister Package -132514C Case Strap.Bushnell PowerView binoculars offer the best of both worlds, combining contemporary styling and design with traditional Bushnell quality and durability.
Rating:
(out of 99 reviews)
List Price: $ 19.95
Price: $ 9.35
Tasco Offshore 7x50 Waterproof Boating Binoculars With Compass, Brand New 50P?| US $130.37 (16 Bids) End Date: Tuesday May-22-2012 4:53:24 PDT Bid now | Add to watch list |
Huge 10x90-80 Zoom Binoculars "Sakura"
| US $59.99 (0 Bid) End Date: Tuesday May-22-2012 4:53:28 PDT Bid now | Add to watch list |
Bushnell Falcon 10×50 Wide Angle Binoculars (Black)
- Great for sports, sightseeing, nature study, backpacking, theater or concerts
- Porro prism, fully coated optics for superior light transmission
- InstaFocus system for fast focus on moving targets
- All-weather, non-slip rubber grip pads
- 12x magnification, 50-millimeter objective lens
Features quality Bushnell« fully coated optics for sharp images at an affordable price. Features the patented InstaFocus« system for fast focus so you won’t miss any of the action. Rubber armored for comfort and durability.Great for stadium sports
List Price: $ 49.95
Price: $ 25.76
Bushnell PowerView 20×50 Super High-Powered Surveillance Binoculars
- Porro-prism binocular with 20x magnification and 50mm objective diameter
- Multicoated optics guarantee superior light transmission and brightness
- Patented 1-touch InstaFocus system holds your subject in sharp focus
- Nonslip rubber armor absorbs shock; 45-foot close focusing distance
- 170-foot field of view at 1,000 yards; weighs 30 ounces; limited lifetime warranty
Super high-powered surveillance binoculars for long-range detailed viewing. Great durability and performance in an attractive ?traditional? porro prism design. Non-slip rubber armor absorbs shock while providing a firm grip. Contemporary styling; inc
Rating:
(out of 53 reviews)
List Price: $ 97.95
Price: $ 49.99
Bushnell Wildlife 2.5x 42 Mm Night Vision Binoculars Price Comparison
Objective Lens Size: 42 mm – Magnification: 2.5x – Features: Night Vision
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$ 449.95 + $ 0.00 shipping |
Overstock.com![]() |
$ 429.99 + $ 2.95 shipping |
Eagle Optics![]() |
$ 399.99 + $ 0.00 shipping |
Abe’s Of Maine![]() |
$ 440.00 + $ 0.00 shipping |
eBay![]() |
$ 439.99 + $ 9.95 shipping |
Bushnell PowerView 10×50 Wide Angle Binocular
- Wide-angle view
- 10x magnification
- Field of view of 341 feet at 1,000 yards
- Insta-Focus 1-touch focusing system
- Includes carrying case and neck strap
The Bushnell 10×50 wide-angle PowerView binoculars combine contemporary styling and design with traditional Bushnell quality and durability. They are easy to use and feature Porro prisms. They offer 10x magnification and a field of view of 341 feet a
List Price: $ 79.95
Price: $ 41.65
GIANT DAY/Night 12-40x80 Zoom Binoculars "Perrini| US $65.99 (0 Bid) End Date: Tuesday May-22-2012 4:54:47 PDT Bid now | Add to watch list |
New 4x30mm Day Pop-up Night Vision Binoculars Telescope
| US $0.85 (0 Bid) End Date: Tuesday May-22-2012 4:58:05 PDT Bid now | Add to watch list |
Leupold Golden Ring 8x 42mm Binoculars Top Offers
With Fluorite Glass – 7.3 Degree Angle of View
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$ 779.99 + $ 0.00 shipping |
Eagle Optics![]() |
$ 699.99 + $ 0.00 shipping |
Celestron SkyMaster Giant 15×70 Binoculars with Tripod Adapter
- Multi-coated optics
- Large aperture perfect for low light conditions and stargazing
- Tripod adapter
- Long eye relief ideal for eyeglass wearers
- Diopter adjustment for fine focusing
Celestron and ;s SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use – especially over long distances. Each SkyMaster model features high qu
Rating:
(out of 211 reviews)
List Price: $ 99.99
Price: $ 64.88
Bushnell Powerview 12×25 Compact Folding Roof Prism Binocular (Black)
- Roof-prism binocular with 12x magnification and 25mm objective diameter
- Multicoated optics guarantee superior light transmission and brightness
- Insta-Focus system makes it easy to sharpen your view
- Nonslip rubber armor absorbs shock; 25-foot close focusing distance
- 240-foot field of view at 1,000 yards; weighs 11.3 ounces; limited lifetime warranty
Power View, 12 x 25 Folding Roof Prism Compact Black Binocular, Center Focus, Comes With Neck Strap & Soft Carrying Case, Clam Pack.Bushnell PowerView binoculars offer the best of both worlds, combining contemporary styling and design with traditiona
Rating:
(out of 88 reviews)
List Price: $ 29.95
Price: $ 14.65
Bushnell Powerview 12x32 Compact Folding Roof Prism Binocular Binocular
| US $47.43 End Date: Tuesday May-22-2012 5:20:21 PDT Buy It Now for only: US $47.43 Buy it now | Add to watch list |
Bushnell Powerview 10×32 Compact Folding Binocular
- Fully coated glass lenses
- 25mm objective lens
- Magnification of 12x
- Black rubber armoring
- Water-resistant
Travelers, nature observers and concert goers take note: the PowerView series offers the largest line of Bushnell quality, affordable binoculars. No matter what your purpose, you’ll find a variety of magnifications, styles and sizes, and fully coated
Rating:
(out of 23 reviews)
List Price: $ 40.95
Price: $ 21.01
Bushnell H2O 10×42 Porro Prism Waterproof/Fogproof Binocular
- Waterproof, fogproof binoculars designed for use on or in the water
- O-ring-sealed and nitrogen-purged to complete lock out moisture
- Rubber armoring with textured pads; large center focus knob
- 10x magnification and 42mm objective diameter; tripod-adaptable
- Twist-up eyecups and long 16mm eye relief; limited lifetime warranty
10 X 42mm Compact & Durable Waterproof Design Is O-ring Sealed & Nitrogen-purged For 100% Reliable, Fog-free Performance Large Center Focus Knob For Easy, Precise Adjustments Non-slip Rubber Armor Absorbs Shock While Providing A Firm Grip
Rating:
(out of 25 reviews)
List Price: $ 123.95
Price: $ 61.99
Leupold Golden Ring 10x 42mm Binoculars Top Deals
With Fluorite Glass – 6.5 Degree Angle of View
Webyshops.com![]() |
$ 799.99 + $ 0.00 shipping |
Eagle Optics![]() |
$ 699.99 + $ 0.00 shipping |
Nikon 7294 Monarch ATB 8×42 Binocular
- Waterproof/Fogproof
- Dielectric High-Reflective Multilayer Prism Coating
- Fully Multicoated lenses & Phase-Correction Coated Prisms
- Multi-Setting Click Stop Eyecups
America’s best selling birding binocular is getting even better. The 2010 Monarch All Terrain Binocular now features dielectric high-reflective multilayer prism coating for brighter, sharper colors, crisp and drastically improved low-light performanc
Rating:
(out of 18 reviews)
List Price: $ 420.95
Price: $ 274.99
Bushnell H20 10 x 25 H20 Roof Prism Binocular| US $39.99 (0 Bid) End Date: Tuesday May-22-2012 5:22:07 PDT Buy It Now for only: US $61.98 Bid now | Buy it now | Add to watch list |
THIS WAS SO FUN The song is on I Wrote These, and is available for download on my website: www.junumusic.com You can always find show info here: junumusic.com go look at my thoughts on twitter: www.twitter.com and facebook is fun too: www.facebook.com -Julia Nunes ps. i love you guys so much
Video Rating: 4 / 5
Magnacraft® 10x25 Binoculars. SPB10257 NEW
| US $8.99 End Date: Tuesday May-22-2012 5:23:47 PDT Buy It Now for only: US $8.99 Buy it now | Add to watch list |
Binocular Harnesses
There are certain pieces of equipment that are necessary for the great outdoors. Whether you’re a hiker, hunter, birder or just your average camper, it’s important to have good equipment. Even if you own ATV’s, you need to have the basics. Some basics would include a good jacket, a sturdy water bottle, and some great optics and of course, binocular harnesses.
Binocular harnesses are more important that many think. I can name the purpose for pretty much every outdoor activity related to nature. You don’t even need to own binoculars in order to have a good use for them. The beauty of the best binocular harnesses is that they are universal, which means they will even fit your camera. Who doesn’t own a camera now days?
Ok, so why would hikers need binocular harnesses? Well, hello. When you’re hiking, you need your hands free so you can grab rocks and trees to help yourself climb. You need to be able to quickly reach for your water bottle and rehydrate yourself. Don’t binocular harnesses sound like they’d help a hiker to be hands free and still carry their equipment? I think so.
Binocular harnesses would also appeal to hunters. If you are a hunter, you know it’s all about the gear. You want to have a good hold on your gun, not your optics when that bear comes out of nowhere. You can easily bring the optics up to eye level or let them back into carrying position without wasting any time. Binocular harnesses definitely appeal to the hunters out there.
All birders could do without that neck strain that comes with carrying optics around all day long with just that neck strap. Binocular harnesses take the weight off the neck and make the day far more enjoyable by taking that pain completely away. What good is watching birds if your neck hurts? That’s why binocular harnesses are essential to bird watchers.
You see, binocular harnesses appeal to all types of outdoorsy people and they have multiple uses. So I guess the main question is why do so many people not have them? Beats me. I think it’s because they don’t know about them. So spread the word about binocular harnesses. They really do make all the difference.
Get the Lowest Price On The Most Popular Binocular Harnesses Now
Free Shipping Worldwide On This Binocular Camera Harness Here
I love hunting. Everything to do with hunting. I write about it because as every hunter knows, it’s all about the gear. So when I find something good, I love to get it out there.
Article from articlesbase.com
| US $1.49 End Date: Tuesday May-22-2012 5:24:30 PDT Buy It Now for only: US $1.49 Buy it now | Add to watch list |
Magnacraft® 10x50 Wide Angle Black and Gray Binoculars
| US $21.99 End Date: Tuesday May-22-2012 5:27:11 PDT Buy It Now for only: US $21.99 Buy it now | Add to watch list |
Related Products & Articles
Optics
Posted by: | Comments
www.wolfram.com Donald Barnhart first used Mathematica to develop optical design and analysis software for his own research in optics. Now, scientists around the world use his Mathematica-based Optica software for applications in fiber optics, lasers, and telescopes. For him, the biggest advantage of Mathematica is obtaining insights on his computer he would normally only get from lab experiments. iCyt Mission Technology – www.i-cyt.com Optica Software – www.opticasoftware.com Interactive visualizations by Donald Barnhart on the Wolfram Demonstrations Project – demonstrations.wolfram.com
Video Rating: 4 / 5
BSA 3-12X40 Sweet 223 Rifle Scope with Adjustable Objective and 3 Drums for Quick Change Turret System
- Clear and bright long range optic.
- Calibrated for the .223 cal.
- Includes 50gr, 55gr, and 62gr turret drums
- Adjustable objective.
- 3-12 variable power
Accuracy down to the grain! BSA Sweet .223 Scope with variable bullet-drop cams! Featuring 3 interchangeable cams that adjust the sighting based on the bullet grain weight, for absolutely superior accuracy! BSA top-quality made for reliable durabilit
List Price: $ 159.95
Price: $ 99.95
General Electric - SIL-E1680W E1680W 16MP 8x Optical/6x Digital Zoom| US $117.81 End Date: Tuesday May-22-2012 6:43:54 PDT Buy It Now for only: US $117.81 Buy it now | Add to watch list |
Canon PowerShot SD450 5 MP 3x Optical Zoom Digital Elph Camera SD 450 5MP 201636
| US $6.55 (9 Bids) End Date: Tuesday May-22-2012 6:45:53 PDT Bid now | Add to watch list |
Yukon Advanced Optics 25022 Viking PRO 2X Night Vision Binoculars
- Built-In Powerful Pulse Infrared System Illuminator
- Ecplise Protective Lens Covers
- Dual Eye Diopter Adjustments
- Multi-Coated Optics
- Rubber Armor Protection
Viking PRO 2X Night Vision Binoculars
List Price: $ 499.00
Price: $ 369.00
BSA Panoramic Multi-Reticle Sight
- Rugged red dot
- Multiple reticles
- For small calibers, plinking on the range
- Objective lens diameter(mm) 34×24
Illuminated Sights: The BSA Multi-Purpose Sighting Systems are a wonderful light weight sight for close quarter and medium range targets. Light enough for small calibers plicking on the range, yet durable enough for larger calibers used by hunters a
Rating:
(out of 1 reviews)
List Price: $ 139.95
Price: $ 55.95
BSA 3-9X50 Deerhunter Rifle Scope
- Great target resolution
- Undistorted and clear
- Long eye relief.
- Fingertip adjustable w/e turret.
- 3-9 Variable Power
Fill your freezer with FREE meat… take a BSA 3 – 9×40 Deer Hunter Scope next time out! Yup… meat in the freezer and maybe some antlers on the wall? A hard-working, results-producing Scope for the serious deer hunter. Camera quality glass lenses a
Rating:
(out of 1 reviews)
List Price: $ 109.95
Price: $ 59.99
Vixen 1122 8×20 Multi Monocular
- Near focus 10 inches
- 6.8 Degree field-of-view
- Made in Japan
- Multicoated Optics
- comes with case
Near focus as short as 10 inches makes this monocular great for use at museums and exhibits with its 6.8° field-of-view. They can also be used as a magnifier. They are a make a great gift for that hard to please person.
Rating:
(out of 1 reviews)
List Price: $ 139.00
Price: $ 119.95
Sony Cybershot DSC-T77 10MP Digital Camera with 4x Optical Zoom DSCT77 206491| US $8.50 (3 Bids) End Date: Tuesday May-22-2012 6:47:36 PDT Bid now | Add to watch list |
Fuji - 16233439 FinePix XP50 14MP Digital Camera 5x Optical Zoom 2.7" LCD MARCH
| US $209.31 End Date: Tuesday May-22-2012 6:48:41 PDT Buy It Now for only: US $209.31 Buy it now | Add to watch list |
NIKON M-223 8486 2-8×32 Riflescope (Black)
- Eye Box Technology – 4-time zoom and 4 inches of constant eye relief
- Rapid Action Turret Technology
- Return to Zero Turrets – for fast, simple field adjustments
- Three reticles offered: Point Blank (1-4×20 only), Nikoplex & BDC 600
- Ultra ClearCoat Optical System Providing up to 95% light transmission
Recognizing the popularity of AR rifles, Nikon has developed a new line of riflescopes built to deliver extreme speed, accuracy and shooting confidence. The M-223 line offers five new riflescopes, all engineered for the 223 Rem./5.56mm NATO round wit
Rating:
(out of 2 reviews)
List Price: $ 470.95
Price: $ 290.80
NIKON M-223 8488 3-12x42SF Riflescope (Black)
- Eye Box Technology – 4-time zoom and 4 inches of constant eye relief
- Rapid Action Turret Technology
- Return to Zero Turrets – for fast, simple field adjustments
- Three reticles offered: Point Blank (1-4×20 only), Nikoplex & BDC 600
- Ultra ClearCoat Optical System Providing up to 95% light transmission
Recognizing the popularity of AR rifles, Nikon has developed a new line of riflescopes built to deliver extreme speed, accuracy and shooting confidence. The M-223 line offers five new riflescopes, all engineered for the 223 Rem./5.56mm NATO round wit
Rating:
(out of 1 reviews)
List Price: $ 620.95
Price: $ 383.99
Merkury Optical M-power 2X Telephoto lens Small| US $10.00 End Date: Tuesday May-22-2012 6:55:54 PDT Buy It Now for only: US $10.00 Buy it now | Add to watch list |
Gameseeker Essential Optics Outfit
- Compact Roof Prism binoculars
- Nitrogen filled and waterproof
- Extremely rugged
- One piece aluminum tube for strength
- Full multi-coated optics
Take the incredibly successful 4-12×40 Gameseeker nitrogen filled waterproof scope with fully multicoated PentaBright optics and new Precision Plex reticle, combine it with a fully waterproof and broadband multicoated pair of compact 10×42 Gameseeker
List Price: $ 279.99
Price: $ 199.99
NIKON M-223 BDC 600 8489 3-12x42SF Riflescope (Black)
- Eye Box Technology – 4-time zoom and 4 inches of constant eye relief
- Rapid Action Turret Technology
- Return to Zero Turrets – for fast, simple field adjustments
- Three reticles offered: Point Blank (1-4×20 only), Nikoplex & BDC 600
- Ultra ClearCoat Optical System Providing up to 95% light transmission
Recognizing the popularity of AR rifles, Nikon has developed a new line of riflescopes built to deliver extreme speed, accuracy and shooting confidence. The M-223 line offers five new riflescopes, all engineered for the 223 Rem./5.56mm NATO round wit
List Price: $ 640.95
Price: $ 399.94
BSA 4-16X44 Stealth Tactical Rifle Scope with Big Wheel Focus Knob and Mil-Dot Reticle
- Brightview optic technology
- Xtreme Climate Protection
- Side Wheel Focus
- Glass Fully Multicoated
- 4-16 Variable power
Rifle scope 4-16x magnification 40mm objective lens (adjustable objective) 1 tube 1/8 MOA (1/8 click value @ 100 yds) Mil-dot reticle 10 yds to infinity parallax adjustment 30 ft to 7.3 ft field of view @ 100 yds 4 eye relief 11mm to 2.7mm exit pupil
Rating:
(out of 1 reviews)
List Price: $ 249.95
Price: $ 169.99
BSA 6-18X40 Sweet 223 Rifle Scope with Adjustable Objective and 3 Drums for Quick Change Turret System
- Long range and varminting applications
- Calibrated for the .223 cal.
- Includes 50gr, 55gr, and 62gr turret drums
- Adjustable objective.
- 6-18 variable power
Accuracy down to the grain! BSA Sweet .223 Scope with variable bullet-drop cams! Featuring 3 interchangeable cams that adjust the sighting based on the bullet grain weight, for absolutely superior accuracy! BSA top-quality made for reliable durabilit
List Price: $ 189.95
Price: $ 83.99
SMC Pentax M 1:2 50 mm Lens, ASAHI Optical| US $4.99 (1 Bid) End Date: Tuesday May-22-2012 7:02:07 PDT Bid now | Add to watch list |
Video Rating: 4 / 5
GE J1455 Silver 14MP Digital Camera 5x Optical Zoom...
| US $129.00 End Date: Tuesday May-22-2012 7:04:05 PDT Buy It Now for only: US $129.00 Buy it now | Add to watch list |
Advanced Optical Talk Set From Gao
Toronto, Canada – GAO Fiber Optics (www.GAOFiberOptics.com) recommends its latest optical talk set (GAO08311), an all-in-one instrument that combines a digital optical phone and a stabilized light source. The optical talk set is widely used in installation, optical testing, maintenance and fiber attenuation value testing in data networks, CATV and telecommunication networks. Equipped with a large back-lit LCD display with seven colors, this intelligent optical talk set carries out high quality full-duplex communication with low background noise.
For more information about this optical talk set, please visit www.GAOFiberOptics.com or contact Sales@GAOFiberOptics.com.
About GAO Fiber Optics
GAO Fiber Optics, a member company of GAO Group, is a leading provider of fiber optical testers, measurement instruments, transceivers and fiber optical devices.
For more information please visit http://www.GAOFiberoptics.com.
For media queries:
Director of Marketing,
416-292-0038 ext 228
marketing@gaofiberoptics.com
GAO Fiber Optics is a member of GAO Group, which also includes
GAO RFID Inc. – http://www.GAORFID.com
GAO Tek Inc. – http://www.GAOTek.com
GAO Research Inc. – http://www.GAOResearch.com
GAO RFID Asset Tracking – http://www.GAORFIDAssetTracking.com
GAO Embedded – http://www.GAOEmbedded.com
GAO Instruments – http://www.GAOInstruments.com
GAO Comm. – http://www.GAOComm.com
Toronto, Canada – GAO Fiber Optics (www.GAOFiberOptics.com) recommends its latest optical talk set (GAO08311), an all-in-one instrument that combines a digital optical phone and a stabilized light source. The optical talk set is widely used in installation, optical testing, maintenance and fiber attenuation value testing in data networks, CATV and telecommunication networks. Equipped with a large back-lit LCD display with seven colors, this intelligent optical talk set carries out high quality full-duplex communication with low background noise.
For more information about this optical talk set, please visit www.GAOFiberOptics.com or contact Sales@GAOFiberOptics.com.
About GAO Fiber Optics
GAO Fiber Optics, a member company of GAO Group, is a leading provider of fiber optical testers, measurement instruments, transceivers and fiber optical devices.
For more information please visit http://www.GAOFiberoptics.com.
For media queries:
Director of Marketing,
416-292-0038 ext 228
marketing@gaofiberoptics.com
GAO Fiber Optics is a member of GAO Group, which also includes
GAO RFID Inc. – http://www.GAORFID.com
GAO Tek Inc. – http://www.GAOTek.com
GAO Research Inc. – http://www.GAOResearch.com
GAO RFID Asset Tracking – http://www.GAORFIDAssetTracking.com
GAO Embedded – http://www.GAOEmbedded.com
GAO Instruments – http://www.GAOInstruments.com
GAO Comm. – http://www.GAOComm.com
About GAOFiberOptics Inc.
GAOFiberOptics Inc., a member of GAO Group, is a leading provider of embedded development tools, telecommunication testers, electronic measurement instruments, video surveillance, alarm and other electronic products that serve the needs of electronic professionals internationally. For further information, please visit http://www.GAOFiberOptics.com.
Article from articlesbase.com
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Bower 62mm All Glass Optical Pro 3 Piece Digital lens Filter Set UV CPOL FLD
| US $17.23 End Date: Tuesday May-22-2012 7:11:23 PDT Buy It Now for only: US $17.23 Buy it now | Add to watch list |
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Night Owl Lighweight Night Vision Monocular (3x)
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Kool Illusion!! It gives you a brainspin.
Video Rating: 4 / 5
Night Owl Lighweight Night Vision Monocular (3x)
- Generation 1 Technology. 500X Ambient Light Amplification. Powerful Infrared Illumination. Easy One Hand Operation. All Glass Optics
- Field of View – 68′ at a distance of 200′
- IR Field of Illumination is 32′ diameter at 150′ projection.
- 12 degree Projection Angle
NIGHT OWL OPTICS NONM3X-G NIGHT OWL LIGHTWEIGHT 3X MONOCULAR 3 POWER LENS; TECHNOLOGY GENERATION 1; 500X AMBIENT; LIGHT AMPLIFICATION;32-FT DIA & 150-FT POWERFUL INFRARED ILLUMINATION; EASY 1-HAND OPERATION;OBJECTIVE LENS: 24MM DIA;FIELD OF VIEW: 68
Rating:
(out of 2 reviews)
List Price: $ 299.00
Price: Too low to display
NIB Fujifilm S4080 14MP 30X Optical Zoom Digital Camera w/ 4GB Card - BLACK| US $199.00 (42 Bids) End Date: Tuesday May-22-2012 5:40:23 PDT Bid now | Add to watch list |
Hawke Optics 2-7x32 Rifle Scope HK3013
| US $109.99 End Date: Tuesday May-22-2012 5:45:41 PDT Buy It Now for only: US $109.99 Buy it now | Add to watch list |
BSA 30-mm Stealth Tactical Rifle Scope with Illuminated Red Dot and 3X Magnification
- 5/8 inch weaver style rail
- Illuminated red dot
- Glass fully multicoated
- Multi-purpose “Twist-Cap” technology
- 3 power magnification
Hits the spot! Crank up the precision with this BSA Stealth Tactical 3X Red Dot Scope, SAVE BIG! Red Dot illumination, ready to take on your next shooting challenge. Low magnification is easy on your eyes, with a bright dot to grab hold of your targe
Rating:
(out of 1 reviews)
List Price: $ 289.95
Price: $ 99.97
Eagle Optics Triumph 7×35
- Perfect companion for outdoor living.
- Portable
- Elegant
Surprisingly bright and sharp, pleasantly lightweight 4.75 inches tall x 7.00 inches long x 4.75 inches wide
List Price: $ 77.98
Price: $ 65.99
Night Owl Pro Nexgen Night Vision Binocular (5x)
- Generation 1 Technology. Central Focusing. Integrated Infrared All Glass Optics
- Field of View – 53′ at a distance of 200′
- Minimum Focus Range = 6.6 ft.
- Interocular distance = 2.27-2.95″
- High quality, all glass optics for both objective and ocular lens
The Night Owl Nexgen binoculars feature the premium performance of the Nexgen binocular with the added feature of two 5X lens for better close up viewing. As with the Nexgen NOB3X, these binoculars feature improved ocular lens with precise diopter ad
Rating:
(out of 1 reviews)
List Price: $ 799.00
Price: Too low to display
Vixen 1306 10-30×21 CF Zoom Binoculars
- Magnification 10-30x
- Field of View 1.8-3.3 degrees
- LIFETIME WARRANTY
They are small in size but give you extraordinary power and a convenient slide zoom. A magnification range ofr 10 to 30X will bring the action closer to you.. The optics are in perfect alignment to eliminate eye strain. Vixen’s multi-coated lenses
List Price: $ 139.00
Price: $ 119.95
Hawke Optics 3-9x40 Rifle Scope HK3014| US $109.99 End Date: Tuesday May-22-2012 5:53:09 PDT Buy It Now for only: US $109.99 Buy it now | Add to watch list |
14x OPTICAL 14MP CANON POWERSHOT SX210IS Camera SX210 IS + Warranty
| US $181.73 End Date: Tuesday May-22-2012 6:20:13 PDT Buy It Now for only: US $181.73 Buy it now | Add to watch list |
Vixen 14504 Foresta 7×50 CF Binocular
- Field of View: 7.1 deg
- Close Focus 32.8 ft.
- Includes Case
- LIFETIME WARRANTY
The Foresta Binocular Series features lightweight and durable die-cast bodies made of aluminum encased in a rubber armored housing. Each optical system is nitrogen filled to help eliminate dewing and is fully waterproof. All air-to-glass surfaces are
List Price: $ 329.00
Price: $ 279.00
Swarovski Traveler EL Binocular (10×32)
- Versatile travel binocular with 10x magnification and 32mm objective lens
- Legendary wraparound grip makes the binocular easy to use with 1 hand
- Premium diamond-bright optic for viewing items in low-light conditions
- 360-foot field of view at 1,000 yards; large, grooved focusing wheel
- Water-submersible up to 13 feet; weighs 21.2 ounces; lifetime warranty
Travel the World with the New Traveler EL from Swarovski. This lightweight binocular comes with all the features of the full size EL, Swarobright coatings, Swaroclean and in the new brown color. It also comes with a matching case for easy carrySwarov
List Price: $ 2,187.78
Price: $ 1,969.00
NEW GENUINE SONY FDA-SV1 OPTICAL VIEWFINDER 4 NEX3 NEX5| US $239.00 End Date: Tuesday May-22-2012 6:30:42 PDT Buy It Now for only: US $239.00 Buy it now | Add to watch list |
BSA 2-7X32 Sweet 22 Rifle Scope with Side Parallax Adjustment and Multi-Grain Turret
- Specifically designed for .22LR in 36, 38 and 40 grain bullets
- Side parallax adjustment
- Zero reset with ¿Allen” screw
- 1/4 Minute Click Adjustments
- 2-7 variable power
Description:
Sweet 22 Series
Features fully multi-coated lens; generous 4 inch eye relief; ball and coil spring erector tube retention guarantees shock resistance; fast focus; Nitrogen filled to prevent internal fogging and 3 inch sunshade. Mul
List Price: $ 129.95
Price: $ 111.49
Yukon YK12007 Rambler Series 8 x 32 Compact Binoculars
- 8 x 32 magnification
- Nitrogen filled and O-Ring sealed for 100% waterproof, fog-proof and dust-proof
- Central focusing knob
- BaK-4 roof prisms
- True Color lens coating
8 x 32 magnification. Nitrogen filled and O-Ring sealed for 100% waterproof, fog-proof and dust-proof. Central focusing knob. BaK-4 roof prisms. True Color lens coating. Multi-coated lenses. Rubber armored body. Multi-coated lenses. Rubber armored bo
List Price: $ 99.99
Price: Too low to display
BSA 6-24X44 Catseye Rifle Scope with Side Parallax Adjustment
- Camera quality glass.
- Generous 4″ eye relief;
- Fully multi-coated lenses.
- Side parallax adjustment
- 6-24 Variable power
BSA Optics Catseye 6 – 24×44 Riflescope. Camera – quality glass for a clear, undistorted image! With a larger ocular lens, the Catseye Riflescope is less of a strain on your eyes! Helps to create a longer 4-5″ eye relief and a larger exit pupil so yo
Rating:
(out of 2 reviews)
List Price: $ 279.00
Price: $ 110.97
NIKON M-223 8485 1-4×20 Riflescope (Black)
- Eye Box Technology – 4-time zoom and 4 inches of constant eye relief
- Rapid Action Turret Technology
- Return to Zero Turrets – for fast, simple field adjustments
- Three reticles offered: Point Blank (1-4×20 only), Nikoplex & BDC 600
- Ultra ClearCoat Optical System Providing up to 95% light transmission
Recognizing the popularity of AR rifles, Nikon has developed a new line of riflescopes built to deliver extreme speed, accuracy and shooting confidence. The M-223 line offers five new riflescopes, all engineered for the 223 Rem./5.56mm NATO round wit
List Price: $ 410.95
Price: $ 249.88
New Nikon Coolpix S6200 Digital Camera with 16 MP 10x Wide Angle Optical Zoom| US $139.95 (0 Bid) End Date: Tuesday May-22-2012 6:36:01 PDT Buy It Now for only: US $154.95 Bid now | Buy it now | Add to watch list |

The Ray Optics Demonstration Set is large enough for classroom presentations yet is portable for your convenience. Includes thirteen large acrylic optical models with magnetized coatings on their bases, allowing rapid setup and adjustment. When used with our Laser Ray Box, the light ray paths are clearly visible in a normally-illuminated room, both in air and inside the models. The paths can be clearly followed through several successive model elements, allowing the ray diagrams of simple optical instruments to be demonstrated. www.cencophysics.com
Samsung D362 Digital Camcorder 33x Optical Zoom 1200 Digital Zoom RRP£339.99
| US $158.01 End Date: Tuesday May-22-2012 6:40:21 PDT Buy It Now for only: US $158.01 Buy it now | Add to watch list |
Optical Fiber Cables
“The electronics and telecom sectors merit special attention. On 217 Information Technology Agreement (ITA) bound items, the duty is required to be brought down to nil. Consequently, to provide a level-playing field to the domestic industry, I propose to remove the customs duty on specified capital goods and all inputs required for the manufacture of ITA bound items”
The Union Finance Minister on 28 February 2005 announced on the floor of the parliament while presenting union budget for the year 2005-06. He was implementing the Ministerial Declaration on Trade in Information Technology Products (ITA) concluded at the Singapore Ministerial Conference in December 1996. The ITA provides for participants countries to completely eliminate duties on IT products covered by the Agreement At that time, Finance Minister could not have visualized that this exemption will be a cause of great embarrassment to the premier Indian investigation agency namely Directorate of Revenue Intelligence (DRI).
Recently, Bombay High Court in the case of Vodafore Essar v Union of India [WP 8379/2008] castigated DRI in the following words:
“In these circumstances, we are clearly of the opinion that in the present case, the conduct of the DRI officers is not only high handed but it is in gross abuse of the powers vested in them under the Customs Act. It is apparent that the DRI officers in utter disregard to the order passed by the Commissioner of Customs (A), Mumbai have forced the petitioners to pay the amount by threat and coercion which is not permissible in law. Thus, the conduct of the DRI officers in the present case in collecting the amount from the petitioners towards the alleged differential duty is wholly arbitrary, illegal and contrary to law. Having terrorised the petitioners with the threat of arrest, it is not open to the DRI officers to contend that the amount has been paid by the petitioners voluntarily. We strongly condemn the high handed action of the DRI officers in totally flouting the norms laid down under the Customs Act in relation to reassessment proceedings and purporting to collect the amount even before reassessment. We hope that such incidents do not occur in the future.”
Besides passing severe strictures, High Court also imposed costs on the Government. The controversy evolves around the classification of telecom grade Optical Fibre Cables (“OFC”). Exemption Notification No 24/2005-Cus dated 1 March 2005 exempts goods falling under Chapter Heading 854470 and all goods imported for the manufacture of final product falling under Chapter Heading 854470. As per HSN, OFC made up of individually sheathed fibres whether or not assembled with electric conductors or fitted with connectors are classifiable under Chapter Heading 854470 whereas OFC other than those of heading 8544 are classifiable under Chapter Heading 900190.
In recent past, telephonic communication was carried across the globe by electrical signals along copper wire cables. With the advent of internet and spread of telephone facility, there was a demand for higher bandwidth i.e. capacity to carry the amount of information, which the copper wires could not fulfill. Optical fibres offer huge communication capacity and therefore nowadays widely used for telecommunication purpose. Optical fibers, thinner than a human hair, can carry huge data across the globe at the speed of light. OFC are laid under the land and sea, overhead and also used for networking of the computers. There is no doubt that OFC are backbone of the information technology and therefore should have been one of the most eligible candidates for the ITA concession.
Sadly, the destiny of OFC for exemption is not determined by the end use but by the classification. As stated above, OFC will enjoy exemption only if it is made up of individually sheathed fibres. Generally, OFC is made of a central strength member around which dual-coated optical fibers forms the main core which is filled with jelly. This main core is covered with inner and outer sheath of HDPE and Nylon. The core of the entire controversy is whether dual-coated optical fibers are individually sheathed or not or in other words whether coating can be considered as sheathing or not.
Explanatory Notes to Heading No. 85.44 states that sheathes are usually of different colours to permit identification of the fibres at both ends of the cable. Optical fibres are used mainly in telecommunication because of their capacity for transmission of data is greater than that of electric conductors. Explanatory Notes to Heading No. 90.01 states that Optical fibres drawn from glass have a very thin coating of plastics, invisible to the naked eye, which renders the fibres less prone to fracture. It further states that OFC of this heading consist of a sheath containing one or more optical fibre bundles, the fibres of which are not individually sheathed.
The classification of OFC made of dual-coated optical fibers has been a controversial issue for many countries. In India, in the case of Optel Telecommunication Ltd, Tribunal held that thin coating of UV cured acrylate on the optical fibre, invisible to eye, does not amount to sheathing. In this case, Revenue was pleading that coating of UV cured acrylate on the optical fibre should be treated as sheathing. As Revenue failed to bring any material on record to show that coating of UV cured acrylate amounts to sheathing of optical fibre cables, it was held that UV cured acrylate coating on fibers is not equivalent to sheathing.
In the case of Alcatel India Ltd, the Authority for Advance Rulings (“AAR”) held that coating was not same as a ‘sheath’, especially as coating was found to be an integral part of manufacturing process of optical fibres. In this case, it was argued on behalf of the party that UV cured acrylate on the optical fibre should be treated as sheathing. However, this AAR ruling does not have any relevance for other parties as AAR rulings are binding only on the party and the Revenue for that party as provided in Section 28J of the Customs Act and 23E of the Central Excise Act.
In United States of America, similar questions were raised by Sumitomo Electric Lightwave Corporation limited and Corning Cable Systems. US Customs vide Ruling HQ No. 963256 and 963016 both dated April 3, 2001 ruled that 62.5 microns of dual acrylate and color coatings do substantially add to the overall protection, security, and reliability of each individual optical fiber, and that the fibers are considered to be individually sheathed and same was subsequently reaffirmed in Ruling HQ No. 965593 dated 16 July 2003.
Explanatory Notes to the Combined Nomenclature of the European Communities of subheading 8544 were amended in 2007 vide 2007/C296/02 to includes optical fibre cables, designed for example for telecommunication use, made up of optical fibres individually coated with a dual layer of acrylate polymer placed in a protective casing. The coating consists of an inner sheath of soft acrylate and an outer sheath of hard acrylate, the latter being coated by a layer of various colours.
However, in India, classification disputes will take a while to settle. There is tendency on the part of Revenue officers to blindly follow the AAR Rulings in spite of specific provision in law that such rulings are not applicable to other parties. One of my client is a manufacturer of OFC, who is also facing similar classification dispute. I submitted voluminous data to the concerned adjudicating authority to support that secondary coating is a protective cover or sheath on the fiber and therefore OFC merits classification under heading 854470. Further, samples were tested by different laboratories and 3 out of 5 laboratories found that OFC was made of individually sheathed fibers. But, without even looking at the evidence and test reports, the adjudicator blindly following AAR held that OFC should be classified under heading 900190. Similar has been the fate of Vodafore Essar in Chennai.
An optical fiber is a glass or plastic fiber that carries light along its length. Light is kept in the “core” of the optical fiber by total internal reflection. Optical fiber are used in telecommunication and networking, sensors to measure strain, temperature, pressure and other parameters, illumination, light guides in medical and imaging.
The optic fibers for telecommunication needs very thin and very long fiber running into several kilometer in length to minimize the needs for frequent joining which may result in leakage of light or hamper total internal reflection, thus causing loss of data. The greatest drawbacks of glass fiber are weak mechanical properties causing proneness to breakage and delicacy, which makes handling difficult. Glass fibers in running length packed in spool require a buffer (primary coating) to improve bending properties of glass optical fibers as very thin glass is brittle in nature.
Undersea OFC cables often face extreme change in the temperature and the difference in response to change in temperature between the glass and the buffer contribute microbending of the fibers resulting in loss of transmission. During cabling of also microbending occurs. Therefore, a sheath or protective layer was required to protect the optical fibers during handling and use of the OFC. Mr Shustack Paul J in his patent (1992) described that the secondary coating must function as a hard protective layer which allows the fiber not to be damaged during its processing and use. Corning Incorporated in patent (2004) described that the secondary coating should have the following characteristics: sufficient stiffness (i.e., modulus) to protect the encapsulated glass fiber yet enough flexibility (i.e., elongation) for handling, low water absorption, low tackiness to enable handling of the optical fiber, chemical resistance, and sufficient adhesion to the primary coating. There is unanimity among the inventors that secondary coating is a protective layer to the primary coating to enable the fibres to withstand stress caused during cabling, environment and contamination.
Departmental officers and investigation agencies have tendency to be revenue biased and therefore, they will frequently ignore any evidence which may favour the case of importer or manufacturer. Considering the key role of trade in information technology products in the development of information industries and dynamic expansion of the world economy which will raise standards of living and human welfare, 70 countries around the world has committed to completely eliminate duties on IT products. India is one of the participant countries of ITA. Expansion of the information and telecommunication infrastructure is also one of the thrust areas of the Government in recent years. Duty burden on the OFC due to classification dispute is hampering spread of the IT infrastructure. USA and EU countries have resolved this dispute. Time is ripe for the CBEC and political bosses to notice and take urgent remedial actions as India is faltering on the global commitment and world is watching India very closely in these extraordinary times of economic distress and turmoil.
The author is a member of the Institute of Chartered Accountants of India and also a member of Institute of Cost & Works Accountants of India. He has gained vast experience in the Customs, Central Excise and Service Tax while working in the Indian Customs and central Excise Department under the Ministry of Finance, Government of India. Presently he is associated with Khaitan & Co., Mumbai, India
Article from articlesbase.com
| US $6.77 End Date: Tuesday May-22-2012 6:41:12 PDT Buy It Now for only: US $6.77 Buy it now | Add to watch list |
Century Optics Mark 2 Ultra Fisheye MK2 DVX100 Bayo Mount 0.3x Death Lens
| US $349.99 (0 Bid) End Date: Tuesday May-22-2012 6:41:13 PDT Buy It Now for only: US $499.99 Bid now | Buy it now | Add to watch list |
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Nikon Optics Maintenance Kit
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The first half of this video provides an upbeat, interesting, and informative orientation to the career of optical engineering and science. Examples of real world applications and examples of exciting new technologies are provided – nanomedicine, space telescopes, invisibility, and solar energy. Continued in part 2. Ages 12-13
Video Rating: 4 / 5
Nikon Optics Maintenance Kit
- Model Number: 7073
- Static Wisk anti-static lens brush
- Precision Cleaning Solution for lenses and viewfinders
- Tiger Cloth anti-static microfiber cleaning cloth
- Speck Grabber tool for removing specks from hard-to-reach places
BINOCULAR, OPTICS MAINTENANCE KIT
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(out of 1 reviews)
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Price: $ 11.48
GGS optical glass LCD Protector cover for Canon EOS 7D| US $3.82 (2 Bids) End Date: Tuesday May-22-2012 5:04:42 PDT Bid now | Add to watch list |
GGS optical glass LCD Screen Protector for Nikon D700
| US $2.99 (0 Bid) End Date: Tuesday May-22-2012 5:04:43 PDT Buy It Now for only: US $7.47 Bid now | Buy it now | Add to watch list |
BSA 3-12X40 Sweet 17 Rifle Scope with Multi-Grain Turret
- 1/4 minute click adjustments
- 4″ eye relief
- Turret calibrated for .17HMR 17gr. and .20gr Bullets.
- Fully multi-coated optics
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BSA Optics 3 – 12×40 Sweet 17 Riflescope. On – target shooting awaits! Specifically designed for the .17HMR bullet! Made to model the trajectory-compensation scope that was originally crafted for military use. Comes equipped with multicoated lenses f
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Nikon 8053 Matte Sunshade for 40mm Scope
- Shields riflescope from excessive sun or glare
- Intended for use with all Nikon 40 millimeter scopes
- Finished to stylishly match matte scopes
Optional Sunshade for Buckmasters 40mm Scopes – Matte finishNikon 8053 Matte Sunshade for 40mm scopes is designed to block excessive sun and glare that may effect your scope’s performance in high light conditions. The sunshade is perfect for use with
Rating:
(out of 3 reviews)
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Eagle Optics Energy Ocean 8×21 Binoculars
- Protective carry case
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Field of View 383 ft./1000 yds.
Eye Relief 8 mm
Close Focus 8 ft.
Weight 6 oz.
Dimensions (HxW) 3.75 x 2.3 in.
Weatherproofing No Waterproofing
Bring these fun little binos anywhere!
Pick up these little roof prism binoculars and use them for
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NIKON M-223 BDC 600 8487 2-8×32 Riflescope (Black)
- Eye Box Technology – 4-time zoom and 4 inches of constant eye relief
- Rapid Action Turret Technology
- Return to Zero Turrets – for fast, simple field adjustments
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Recognizing the popularity of AR rifles, Nikon has developed a new line of riflescopes built to deliver extreme speed, accuracy and shooting confidence. The M-223 line offers five new riflescopes, all engineered for the 223 Rem./5.56mm NATO round wit
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(out of 2 reviews)
List Price: $ 490.95
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Canon PowerShot 5035B001 A3300 IS 16 Megapixels Digital Camera - 5x Optical| US $80.00 (0 Bid) End Date: Tuesday May-22-2012 5:04:48 PDT Buy It Now for only: US $115.00 Bid now | Buy it now | Add to watch list |
Ultra Slim 52mm UV Filter 4-Layer Coating German Optics For Camera Lenses
| US $19.71 End Date: Tuesday May-22-2012 5:05:41 PDT Buy It Now for only: US $19.71 Buy it now | Add to watch list |
Celestron Accessory Kit
- Five superior grade Plossl eyepieces, all fully multi-coated for maximum contrast and resolution
- 2x, 1.25-inch Barlow lens gives you a total of ten power combinations
- Six colored eyepiece (planetary) filters
- 1.25-inch Moon filter provides maximum enjoyment of the moon especially during the brighter phases
- Items in this kit are valued at over 0.00 if purchased separately
Get more out of your astronomy sessions with this set of deluxe accessories.Kit includes:5 Superior Grade 1.25″ Plossl EyepiecesSuperb color resolution, edge sharpness and clarity. All eyepieces are fully multi-coated for maximum contrast and resolut
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(out of 64 reviews)
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Night Owl iGEN 20/20 Day/Night Vision Monocular with Image Caputre (3x)
- The innovative iGen 20/20¿ IC Night Vision Viewer with Integrated Photographic Capability is now ready
- No Light Intensifier tube to every wear out
- Streams to Video
- Capture Images on built in SD Memory Card
- Change Background colors to Red, Blue, Green, or Black and White
iGen 20/20� IC Night Vision Viewer is superior in quality, resolution and clarity. Now immortalize your memories while camping, hiking, sailing, wildlife observation and much more; this unit can capture images day or night! Furthermore, the iGEN 2
Rating:
(out of 3 reviews)
List Price: $ 799.00
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SYK4 Slave Trigger for Hot Shoe Flash Optical WirelessHot Sell Hot Sell Free| US $11.99 (0 Bid) End Date: Tuesday May-22-2012 5:06:08 PDT Bid now | Add to watch list |
Night Owl Lightweight Marine Night Vision Monocular (4x)
- Marine night vision monocular with lightweight, waterproof housing
- Floats if dropped in water, making it suitable for all nautical applications
- High-grade, all-glass, camera-quality objective lens with 4x magnification
- 56-foot field of view at 200 feet; powerful infrared illuminator for moonless nights
- Requires 3-volt lithium battery; measures 7.6 x 3.82 x 2.4 inches (W x H x D)
NIGHT OWL OPTICS MARINENight Owl is widely recognized for embracing the latest technology and standards in night vision optics, and the Explorer Marine 4x night vision monocular is no exception. The device offers a completely waterproof design that f
Rating:
(out of 1 reviews)
List Price: $ 479.00
Price: $ 229.99
Night Owl Pro Nexgen Night Vision Binocular (3x)
- Generation 1 Technology. Central Focusing. Integrated Infrared All Glass Optics
- Field of View – 70′ at a distance of 200′
- Minimum Focus Range = 6.6 ft.
- Interocular distance = 2.27-2.95″
- High quality, all glass optics for both objective and ocular lens
As one of our premier models, the Nexgen Binocular� combines optical excellence and mechanical precision with compact dimensions. The NOB3X delivers portability and premium performance from an attractive body encased in a rubberized finish for rob
List Price: $ 699.00
Price: Too low to display
BSA 6-18X40 Sweet 17 Rifle Scope with Side Parallax Adjustment and Multi-Grain Turret
- 1/4 minute click adjustments
- Adjustable objective.
- Turret calibrated for .17HMR 17gr. and .20gr Bullets.
- 4″ eye relief
- 6-18 variable power
BSA Optics 6 – 18×40 Sweet 17 Riflescope. Custom made for bullet – drop compensation! Specifically designed for the .17HMR bullet! Made to model the trajectory-compensation scope that was originally crafted for military use. Comes equipped with multi
List Price: $ 229.95
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BSA 4X32 Rifle Scope with Rings and 50-Yard Parallax
- Great for small game.
- Includes 3/8-inch rail rings.
- 50 yard fixed parallax
- Coin adjustable turrets
- 4 power 50-Yard Parallax
True accuracy for your .22 cal. rifle is a BSA 4 x 32 mm Scope with FREE Rings (a .00 value)! SAVE! Forget “iffy” iron-sight shots. Upgrade your .22 cal. sizzle stick with a factory new BSA 4 x 32 mm Scope. Clearly, it gives you the competitive ed
Rating:
(out of 8 reviews)
List Price: $ 52.95
Price: $ 24.99
SYK4 Slave Trigger for Hot Shoe Flash Optical WirelessHot Sell Hot Sell Free| US $12.99 (0 Bid) End Date: Tuesday May-22-2012 5:06:37 PDT Bid now | Add to watch list |
Golden Cage official music promo made on QoobTV. A relaxing trip through the most famous optical illusions. Director: Mauro Vecchi [www.maurovecchi.com]
KRUGER OPTICAL TRIPOD FULL SIZE ALUMINUM STANDARD HEAD 65305
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Mini Optical Light Source Launched by GAO
Toronto, Canada – GAO Fiber Optical’s (www.GAOFiberOptics.com) Mini Optical Light Source (GAO08221) combines performance with rugged durability in an extremely small size package. The light source is used for telecom and CATV testing and maintenance of fiber optics.
Combined with GAO’s mini optical power meter, the optical light source provides an excellent resource for fiber optic networks and field work. The mini light source works continuously for forty ours using three 1.5V alkaline batteries all the while providing highly stable output power.
For more information about GAO08221 Mini Optical Light Source, please visit www.GAOFiberOptics.com or contact Sales@GAOFiberOptics.com
About GAO Fiber Optics
GAO Fiber Optics, a member company of GAO Group, is a leading provider of fiber optical testers, measurement instruments, transceivers and fiber optical devices.
For more information please visit http://www.GAOFiberoptics.com.
For any media queries:
Director of Marketing,
416-292-0038 ext 228
marketing@gaofiberoptics.com
GAO Fiber Optics is a member of GAO Group, which also includes
GAO RFID Inc. – http://www.GAORFID.com GAO Tek Inc. – http://www.GAOTek.com GAO Research Inc. – http://www.GAOResearch.com GAO RFID Asset Tracking – http://www.GAORFIDAssetTracking.com GAO Embedded – http://www.GAOEmbedded.com GAO Instruments – http://www.GAOInstruments.com GAO Comm – http://www.GAOComm.com
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Toronto, Canada – GAO Fiber Optical’s (www.GAOFiberOptics.com) Mini Optical Light Source (GAO08221) combines performance with rugged durability in an extremely small size package. The light source is used for telecom and CATV testing and maintenance of fiber optics.
Combined with GAO’s mini optical power meter, the optical light source provides an excellent resource for fiber optic networks and field work. The mini light source works continuously for forty ours using three 1.5V alkaline batteries all the while providing highly stable output power.
For more information about GAO08221 Mini Optical Light Source, please visit www.GAOFiberOptics.com or contact Sales@GAOFiberOptics.com
About GAO Fiber Optics
GAO Fiber Optics, a member company of GAO Group, is a leading provider of fiber optical testers, measurement instruments, transceivers and fiber optical devices.
For more information please visit http://www.GAOFiberoptics.com.
For any media queries:
Director of Marketing,
416-292-0038 ext 228
marketing@gaofiberoptics.com
GAO Fiber Optics is a member of GAO Group, which also includes
GAO RFID Inc. – http://www.GAORFID.com GAO Tek Inc. – http://www.GAOTek.com GAO Research Inc. – http://www.GAOResearch.com GAO RFID Asset Tracking – http://www.GAORFIDAssetTracking.com GAO Embedded – http://www.GAOEmbedded.com GAO Instruments – http://www.GAOInstruments.com GAO Comm – http://www.GAOComm.com
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About GAO Fiber Optics
GAO Fiber Optics, a member company of GAO Group, is a leading provider of fiber optical testers, measurement instruments, transceivers and fiber optical devices.
Article from articlesbase.com
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Optical part PO-109-1A 1,2/50 Konvas Kinor. s/n 6912430
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Optics – Optic Connector?
Posted by: | CommentsPhysics: Introduction to geometric optics for lenses and mirrors. Concave, convex, converging, diverging; real, virtual; upright, inverted, magnified, shrunk. Sign conventions for focal length, image distance, object distance, magnification. The lens/mirror equation; the magnification equation. Introduction to ray tracing. This is arecording of a tutoring session, posted with the student’s permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For printable documents containing the “handout” and problems discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) The lens/mirror equation. Focal length distance, object distance. Convex, concave, diverging, converging (2) Image distance. Real, virtual (3) Continued. Magnified, shrunk (4) Continued. Upright, inverted (5) Continued. Magnification equation (6) Continued. The lens/mirror chart (7) A problem (8) Continued. Ray tracing (9) Continued (10) Another problem (11) Continued
BSA 30-mm Stealth Tactical Rifle Scope with Illuminated Red, Green and Blue Dot, Laser and Flashlight
- 5/8-inch weaver style rail
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BSA illuminated dot sight Objective ring twists to adjust brightness Red, green or blue dot 30mm objective lens Integral Weaver mount 68′ field of view @ 100 yds 50 yds parallax setting Unlimited eye relief 1/2 MOA (1/2 click value @ 100 yds) 45-45 a
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Eagle Optics Ranger SRT Binoculars 8x32mm Waterproof SRT-0832-2Eagle Optics Ranger SRT Binoculars
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Eagle Optics Ranger SRT Binoculars 10x42mm Waterproof SRT-1042-4Eagle Optics Ranger SRT Binoculars
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BSA Laser Sight and LED Flashlight with Mount
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Punish pests with pinpoint precision. Add the BSA Varmint Hunter Pro Laser / Light to your favorite critter – getter! Routing rodents? Drive home shot after shot with hair-splitting accuracy when you add the Varmint Hunter Pro to your arsenal! Its hy
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GGS optical glass LCD Screen Protector for D40 D40X D60
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Vortex Optics Nomad 20 – 60 x 60 Waterproof Angled Spotting Scope with 2.2-1.0 Degree Angle of View, 3.00-1.00mm Exit Pupil & 17-14mm Eye Relief
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Eagle Optics Energy BinocularsModels: Eagle Optics Energy Binocular MOON-821 Model MOON-821
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What Fiber Optic Supplies Do You Need To Clean A Fiber Optic Connector?
First, let’s understand why a fiber optic connector needs cleaning.
You may never need to clean the RJ45 connector for your computer’s Ethernet network connection, then why do you need to clean a fiber optic connector if it serves the same purpose as a networking connection?
While, the answer lies in how optics work differently than electronics. In electronics, as long as you have a contact between two connectors, they work perfectly; or at least most of the time.
But for optics, light beams travel in straight lines, they bounce off whenever they hit anything and thus loss their energy.
So in order for a light beam to carry the information signal and travel thousands of miles of optical fiber, its path must be kept crystal clear, including fiber optic connectors in the network.
What part of a fiber optic connector should be cleaned, exactly?
OK. Now comes the critical part. What part in the fiber connector needs cleaning, exactly? The short answer is the ferrule’s body and its end face. But what exactly is a ferrule?
Ferrule is a cylindrical and also the most critical part in an optical fiber connector. It is usually made from stainless steel or Zirconia.
Zirconia is a type of white colored ceramic which is an extremely refractory material. It offers chemical and corrosion inertness to temperatures well above the melting point of alumina. Zirconia is the preferred material for high quality fiber optic ferrules.
Ferrules have a tiny hole in the center which holds optical fiber in place. Then the fiber is scribed and precisely polished to flush with the end face of the ferrule.
Two fiber connectors can then mate to each other with a mating sleeve. When mated, two ferrules’ end faces contact each other perfectly and thus pass light from one fiber to another.
Ferrules get dirty from dust, stain and debris made by constant plugging and unplugging after having been used for a while. These contaminations will block the light path and thus seriously reduce the light power and may disable the network connection.
To get a better sense of how a fiber optic connector could be contaminated, look at this tutorial: http://www.fiberoptics4sale.com/Merchant2/fiber-optic-cleaning.php
Is there only one method for fiber connector cleaning?
There are many different ways to clean a fiber optic connector. They are not exclusive but rather complementary to each other. When one method failed, you can always try another method. And that is why there are so many fiber optic supplies for cleaning fiber connectors available on the market.
1. Air spray. Air dusters are used to blow loose particles from optical fiber connector end face. Optic grade is more expensive. Air spray is a non-abrasive fiber optic cleaning method.
2. Lint-free wipes with isopropyl alcohol. The operator folds the lens paper (such as the lint free wipes) into 4~6 layers and lay it flat on a table. He then holds the connector vertically straight and cleans the end face in figure 8 motion.
3. Reel fiber optic connector cleaners. Connector reel cleaner is a dry cleaning method with a quick, reliable operation and uniform results. They use 2 micrometer weaved polyester cloth to clean optical fiber connectors. This is an abrasive fiber optic cleaning method but pad underneath cleaning cloth mitigates this significantly.
4. Stick or swab type cleaners. These specially built Cletop sticks come in 2.5mm and 1.25mm versions. They are designed for dry cleaning fiber optic connector mating sleeves, bulkhead adapters and receptacles.
5. In-situ cleaning. This semi-automated fiber optic cleaning method is specially designed for fiber optic connectors plugged in patch panels and hardware devices.
6. Pre-saturated or soaked wipes. Pre-saturated wipes are good for cleaning glass fiber or connector end faces. They are available in a convenient pre-saturated towelette. The towels are durable and non-linting. Pre-saturated wipes are a convenient option for field use.
Fiber Optics For Sale Co. offers all types of fiber optic supplies for fiber optic cleaning. Check it out by yourself at http://www.fiberoptics4sale.com
Colin Yao is the sales manager at Fiber Optics For Sale Co. and specializes in fiber optic supplies.
Article from articlesbase.com
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GGS optical glass LCD Screen Protector fo Canon 40D 50D
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