Binoculars Eyeglasses
Monday, August 1st, 2011
Choosing the Ideal High Powered Binoculars
There are just too many different kinds of binoculars being released in the market today. Because of their wide efficacy in various fields, several types of binoculars have been created to fit a specific user. Because of this, deciding which one to buy can be a complicated task. However, if one understands what he should look for in a binocular and what each specification means, it will help narrow the choices down. It is also important to be clear on what the binocular will be used for. High powered binoculars can be used in bird watching, camp outs, navigation, military, etc. Hunting binoculars are also high-powered ones that are often used by hunters when they go out in the woods. No matter what field it will be used for, it is important to understand what to consider before buying one.
How to Choose
When choosing binoculars, knowing how to interpret what the specifications mean is crucial. First, one must understand how a binocular identification is read. It often comes in a format of two numbers such as 7×35. The first number is its magnification power while the second one is the diameter of its objective lens. The magnification power pertains to how many times closer an image will appear using the binocular while the diameter of the objective lens refers to the amount of light your binocular can gather, in millimeters. The larger the diameter, the more light it gathers which gives a brighter view of the objective. Therefore, hunting binoculars with a 7×35 binocular identification means that it will show the target image to be 7 times closer in objective lenses of 35mm diameter.
The numbers in a binocular identification can be used to further determine its specifications. High powered binoculars are also classified through their exit pupil and their relative brightness. The exit pupil refers to the brightness of the target images in a low-light setting. It is related to how wide our pupils widen in the dim. It is derived from dividing the objective lens diameter by the magnification power.
On the other hand, relative brightness is the square of the exit pupil. This refers to how bright the objects will be as seen by our eyes. The higher the relative brightness, the brighter the images will be. This means that the same hunting binoculars earlier will reflect targets in dark light as how they would be seen by a pupil that has widened by 5mm. They have a relative brightness of 25.
Another specification to consider when choosing high powered binoculars is the eye relief. This refers to the distance of the eyes and the binocular eyepieces that allows one to see the entire surroundings’ view. It adds convenience by allowing one to hold the binoculars farther from the face, especially if one is wearing eyeglasses. The greater the eye relief is, the more convenient it is. When choosing hunting binoculars, the ideal eye relief for those with eyeglasses is 11mm or more.
Because of the many kinds of binoculars available in the market nowadays, it is important to understand how one should choose among high powered binoculars according to their specifications. With the things mentioned above, buying the ideal binoculars will be a lot easier than before.
About the Author
At HighCountryOptics, you will discover an amazing selection of low priced and excellent quality high powered binoculars.
Flanagan Deborah OD PA, Saint Petersburg, FL
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Eyeglass Design 3X Adjustable Binoculars Telescope #4 $3.12 |
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Free Shipping 3 in 1 Binoculars Eyeglass 3×28 Observing Telescope Toy $4.99 |
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Children 3 x 28 Binocular Eyeglasses Black w Nylon Cord $8.25 |
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3 in 1 Eyeglass Binoculars 3×28 Observing Telescope Toy $5.99 |
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Children 3 x 28 Binocular Eyeglasses Black w Nylon Cord $6.97 |
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Zeiss Pre-Moistened Lens Cloths Wipes 400 Ct (2 Pack) $23.33 Zeiss Pre-Moistened Lens Cloths Wipes is a high-tech ammonia-free formula cleans effectively without leaving streaks or residue.It is great for glasses, cameras, binoculars, microscopes…. |
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3M Microfiber Lens Cleaning Cloth – Pack of 5 $11.26 Removes Fingerprints & Smudges Without Scratching!Lint Free! Scratch-Free1 Cleaning Cloth ~ 7 in x 6 in (18 cm x 16 cm) Unique 3M microfibers lift dust and oils from delicate lenses without the use of chemicals. Ideal for eyeglass lenses, camera lenses, binoculars, microscopes and other delicate surfaces. Saves money. The cloth is reusable and machine washable hundreds of times. Non-scratching, no… |
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3M Microfiber Lens Cleaning Cloth – Pack of 2 $3.99 Removes Fingerprints & Smudges Without Scratching!Lint Free! Scratch-Free1 Cleaning Cloth ~ 7 in x 6 in (18 cm x 16 cm) Unique 3M microfibers lift dust and oils from delicate lenses without the use of chemicals. Ideal for eyeglass lenses, camera lenses, binoculars, microscopes and other delicate surfaces. Saves money. The cloth is reusable and machine washable hundreds of times. Non-scratching, … |
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Microfiber Lens Cleaning Cloths Clean Camera Lenses, Computer Monitors, Lcds & Tv Screens, Handhelds, Pdas, Cell Phones, Iphones, Blackberries, Digital Cameras, Jewelry, Eyeglasses, Sunglasses, Cds, Dvds, Notebooks, Laptops, Telescopes, Binoculars, Ipads, Gps, Rear-view Mirrors, 6 x 7 Inches, Cat Collection, 4-pack $23.95 Photosilk microfiber cleans eyeglasses, sunglasses, cameras & lenses, LCD screens, CDs & DVDs, iPods, smart phones, Blackberries, iPads, GPS, Computer & TV monitors, Car rear-view mirrors, binoculars, telescopes, watches and jewelry. Photosilks make original, useful and inexpensive gifts. Our award-winning product has been selected for its outstanding fiber quality and photo resolution. Our microf… |
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Microfiber Lens Cleaning Cloths Clean Camera Lenses, Computer Monitors, Lcds & Tv Screens, Handhelds, Pdas, Cell Phones, Iphones, Blackberries, Digital Cameras, Jewelry, Eyeglasses, Sunglasses, Cds, Dvds, Notebooks, Laptops, Telescopes, Binoculars, Ipads, Gps, Rear-view Mirrors, 6 x 7 Inches, Tropical Collection, 4-pack $23.95 Photosilk microfiber cleans eyeglasses, sunglasses, cameras & lenses, LCD screens, CDs & DVDs, iPods, smart phones, Blackberries, iPads, GPS, Computer & TV monitors, Car rear-view mirrors, binoculars, telescopes, watches and jewelry. Photosilks make original, useful and inexpensive gifts. Our award-winning product has been selected for its outstanding fiber quality and photo resolution. Our microf… |
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Microfiber Lens Cleaning Cloths Clean Camera Lenses, Computer Monitors, Lcds & Tv Screens, Handhelds, Pdas, Cell Phones, Iphones, Blackberries, Digital Cameras, Jewelry, Eyeglasses, Sunglasses, Cds, Dvds, Notebooks, Laptops, Telescopes, Binoculars, Ipads, Gps, Rear-view Mirrors, 6 x 7 Inches, Bird Collection, 4-pack $23.95 Photosilk microfiber cleans eyeglasses, sunglasses, cameras & lenses, LCD screens, CDs & DVDs, iPods, smart phones, binoculars, telescopes, watches and jewelry. Photosilks make original, useful and inexpensive gifts. Our award-winning product has been selected for its outstanding fiber quality and photo resolution. Our microfiber gently cleans and protects fragile and coated surfaces. A portion of… |
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Anti-Fog Kit for Glasses, Sunglasses, Ski Goggles, Gun Scopes, Binoculars, Eyewear, Sun Glasses, Sunnies, Anti Fog, Sunglasses Cleaner $6.99 This eyewear anti-fog kit cleans and prevents fogging on glasses, sunglasses, ski goggles, binoculars, diving masks, gun scopes, helmet visors and other surfaces subject to fogging. Not for use on anti-reflective lenses…. |
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Bushnell Legacy 10×50 Waterproof Binoculars $89.99 With fully multi-coated optics and high-quality BAK-4 prisms, waterproof Bushnell Legacy 10×50 binoculars are ideal for both daytime and nighttime use. Big, 50mm objective lenses gather enough light for astronomy applications, and their wide 6.5° field of view provides great daytime views. Long 18mm eye relief makes these porro prism binoculars comfortable for use with or without eyeglasses on. With a near focus distance of just 18 feet, Bushnell Legacy 10×50 binoculars let you view even nearby targets with 10x power magnification. Weighs 1.9 lbs. |
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Zeiss 8×56 GA T Dialyt Binoculars – Nighttime Hunting Binoculars – 525658 $1599 The Zeiss 8×56 GA T Dialyt Binoculars – 525658 have large 56 mm lenses that produce luminous, sharp images. They have been the preferred binoculars for nighttime hunters for over 40 years! The Zeiss 8×56 GA T Dialyt Binoculars – 525658 feature ABK or Abbey-Koenig prisms with phase correction layers for highest detail recognition are less bulky than a porro prisms, comfortable eyepiece and cups for people who wear eyeglasses, rubber armor and water resistant housing, and Zeiss T multi-coating for excellent light transmission along with bright, vivid, clean and sharp images even at sunset and sundown. The Zeiss 8×56 GA T Dialyt Binoculars – 525658 package includes the strap, eyepiece cap and a limited lifetime transferable warranty. |
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Orion 15×70 Astronomy Binoculars $89.99 These refreshingly affordable astronomical binoculars will gobble up photons from night-sky objects without eating through your wallet. With big 70mm objective lenses and 15-power magnification, our new Orion 15×70 Astro-Binocular is an excellent choice for those looking for bright, high-power views of the night sky. See the moons of Jupiter, craters and mountains of the Moon, and hundreds of deep sky objects from dark skies. These big binoculars are also great for chasing open star clusters, even from less than inky-black urban skies. Light transmission through the 15×70 Astro-Binocular and view contrast is optimized by virtue of high quality BAK-4 prisms, fullymulti-coated optics, and internal baffling. Eyeglass wearers can enjoy the view through these affordable performers without removing their corrective lenses, thanks to a luxurious 18mm eye relief. Foldable eyeguards provide helpful protection from distracting peripheral light sources, and they conveniently fold down for comfortable use with eyeglasses. |
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Crossfire Binoculars 8×32 $97.95 Crossfire Binoculars Perfect for Any Nature Enthusiast Step into the world of optics and be pleasantly surprised with features you won’t find on similarly-priced, mid-sized binoculars. That’s right. The 8 & 10 x 32 Crossfire binocular puts fully multi-coated optics at your fingertips. Sharp, bright images make the journey into the wilderness even more enjoyable. Optical Features Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces Construction Features Roof Prisms Valued for greater durability and a more compact size. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Adjustable Eyecup Twist up and down for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Right Eye Diopter Adjusts for differences in a user’s eyes. Located on the right eyepiece. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Adapter sold separately. Fogproof Barrels are filled with nitrogen gas to inhibit internal fogging. Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular. Features 10 x 32 8 x 32 Magnification 10 x 8 x Objective Lens Diameter 32 mm 32 mm Eye Relief 16 mm 16 mm Exit Pupil 3.2 mm 4 mm Linear Field of View 315 feet/1000 yards 394 feet/1000 yards Angular Field Of View 6 degrees 7.5 degrees Close Focus 16 feet 16 feet Interpupillary Distance 59-77 mm 59-77 mm Dimensions 5″x 5″ 17oz 5″x 5″ 17.4oz Included with All Vortex Binoculars: Rainguard Tethered objective lens cover Comfort neck strap Soft carry case Vortex VIP Lifetime Warranty Ships Quickly! |
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Crossfire Binoculars 10×32 $108.95 Crossfire Binoculars Perfect for Any Nature Enthusiast Step into the world of optics and be pleasantly surprised with features you won’t find on similarly-priced, mid-sized binoculars. That’s right. The 8 & 10 x 32 Crossfire binocular puts fully multi-coated optics at your fingertips. Sharp, bright images make the journey into the wilderness even more enjoyable. Optical Features Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces Construction Features Roof Prisms Valued for greater durability and a more compact size. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Adjustable Eyecup Twist up and down for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Right Eye Diopter Adjusts for differences in a user’s eyes. Located on the right eyepiece. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Adapter sold separately. Fogproof Barrels are filled with nitrogen gas to inhibit internal fogging. Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular. Features 10 x 32 8 x 32 Magnification 10 x 8 x Objective Lens Diameter 32 mm 32 mm Eye Relief 16 mm 16 mm Exit Pupil 3.2 mm 4 mm Linear Field of View 315 feet/1000 yards 394 feet/1000 yards Angular Field Of View 6 degrees 7.5 degrees Close Focus 16 feet 16 feet Interpupillary Distance 59-77 mm 59-77 mm Dimensions 5″x 5″ 17oz 5″x 5″ 17.4oz Included with All Vortex Binoculars: Rainguard Tethered objective lens cover Comfort neck strap Soft carry case Vortex VIP Lifetime Warranty Ships Quickly! |
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Vortex Diamondback Binoculars 7×36 $186.95 Vortex Diamondback Binoculars Perfect for Any Nature Enthusiast Superior quality, high-performance hunting optics can find their way around your neck for a surprisingly affordable price. Look for enhanced fully multi-coated optics, phase-corrected prisms, waterproof and fog proof construction, soft tapered eyecups, and rugged rubber armor. It’s all there in the compact size of the 9×36 Diamondback. Now you can use “wow!” and “thank you” in the same sentence. Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Phase Correction Used on roof prism models only-coating enhances resolution and contrast. Construction Features Roof Prisms Valued for greater durability and a more compact size. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Multi-Position Eyecups Twist up and down to precise, intermediate settings to maximize custom fit for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Right Eye Diopter Adjusts for differences in a user’s eyes. Located on the right eyepiece. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Adapter sold separately. Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular. Fogproof Barrels are filled with argon gas to inhibit internal fogging. Features Diamondback 9×36 Diamondback 7×36 Magnification 9 x 7 x Objective Lens Diameter 36 mm 36 mm Eye Relief 15.7 mm 20.9 mm Exit Pupil 4 mm 5.14 mm Linear Field of View 368 feet/1000 yards 418 feet/1000 yards Angular Field Of View 7 degrees 8 degrees Close Focus 6.6 feet 5.9 feet Interpupillary Distance 56-74 mm 56-74 mm Dimensions 5″x 5″ 22.6oz 5″x 5″ 23.4oz Included with the Diamondback Binoculars: Rainguard Tethered objective lens covers Comfort neck strap Soft carry case Vortex VIP Lifetime Warranty Ships Quickly! |
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Vortex Diamondback Binoculars 9×36 $195.95 Vortex Diamondback Binoculars Perfect for Any Nature Enthusiast Superior quality, high-performance hunting optics can find their way around your neck for a surprisingly affordable price. Look for enhanced fully multi-coated optics, phase-corrected prisms, waterproof and fog proof construction, soft tapered eyecups, and rugged rubber armor. It’s all there in the compact size of the 9×36 Diamondback. Now you can use “wow!” and “thank you” in the same sentence. Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. Phase Correction Used on roof prism models only-coating enhances resolution and contrast. Construction Features Roof Prisms Valued for greater durability and a more compact size. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Multi-Position Eyecups Twist up and down to precise, intermediate settings to maximize custom fit for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Right Eye Diopter Adjusts for differences in a user’s eyes. Located on the right eyepiece. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Adapter sold separately. Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular. Fogproof Barrels are filled with argon gas to inhibit internal fogging. Features Diamondback 9×36 Diamondback 7×36 Magnification 9 x 7 x Objective Lens Diameter 36 mm 36 mm Eye Relief 15.7 mm 20.9 mm Exit Pupil 4 mm 5.14 mm Linear Field of View 368 feet/1000 yards 418 feet/1000 yards Angular Field Of View 7 degrees 8 degrees Close Focus 6.6 feet 5.9 feet Interpupillary Distance 56-74 mm 56-74 mm Dimensions 5″x 5″ 22.6oz 5″x 5″ 23.4oz Included with the Diamondback Binoculars: Rainguard Tethered objective lens covers Comfort neck strap Soft carry case Vortex VIP Lifetime Warranty Ships Quickly! |
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Nikon Sportstar 10 x 25mm Binoculars $57.95 NIKON 8202 SPORTSTAR 10 X 25MM BINOCULARS? Wide viewing field ? Multicoated optics ? Close focusing distance ? Long eye relief for use with eyeglasses ? Diopter control for strain-free viewing ? Folds up into shirt pocket |
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Raptor Binoculars 6.5 x 32 $117.95 Raptor Binoculars There’s No Better Gift for a Nature Enthusiast There’s no better value in binoculars than a pair of quality porro prisms. And we’ve taken porro prism performance to a whole new level with a mid-size, wide-angle design featuring waterproof, fog proof construction and fully multi-coated optics. The all-new 8.5 and 6.5 x 32 Raptor binoculars deliver a bright, crisp image with excellent color fidelity-even in low light conditions. With a wide range of interpupillary distance, these binoculars can be easily adjusted to fit anyone in the family, from young children to adults. Optical Features Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces Construction Features Porro Prisms Generally offer a rich depth of field, wide field of view, and three-dimensional image. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Adjustable Eyecups Twist up and down for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Right Eye Diopter Adjusts for differences in a user’s eyes. Located on the right eyepiece. Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular. Fogproof Barrels are filled with nitrogen gas to inhibit internal fogging. Features Raptor 8.5 Raptor 6.5 Magnification 8.5 x 6.5 x Objective Lens Diameter 32 mm 32 mm Eye Relief 14 mm 20 mm Exit Pupil 3.76 mm 4.92 mm Linear Field of View 390 feet/1000 yards 410 feet/1000 yards Angular Field Of View 7.4 degrees 7.8 degrees Close Focus 15 feet 15 feet Interpupillary Distance 50-70 mm 50-70 mm Dimensions 5″x 5″ 17.3oz 5″x 5″ 17.3oz Included with All Vortex Binoculars: Rainguard Tethered objective lens covers Comfort neck strap Soft carry case Vortex VIP Lifetime Warranty Ships Quickly! |
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Raptor Binoculars 8.5 x 32 $127.95 Raptor Binoculars There’s No Better Gift for a Nature Enthusiast There’s no better value in binoculars than a pair of quality porro prisms. And we’ve taken porro prism performance to a whole new level with a mid-size, wide-angle design featuring waterproof, fog proof construction and fully multi-coated optics. The all-new 8.5 and 6.5 x 32 Raptor binoculars deliver a bright, crisp image with excellent color fidelity-even in low light conditions. With a wide range of interpupillary distance, these binoculars can be easily adjusted to fit anyone in the family, from young children to adults. Optical Features Fully Multi-Coated Lenses Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces Construction Features Porro Prisms Generally offer a rich depth of field, wide field of view, and three-dimensional image. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Adjustable Eyecups Twist up and down for comfortable viewing with or without eyeglasses. Center Focus Wheel Adjusts the focus of both binocular barrels at the same time. Right Eye Diopter Adjusts for differences in a user’s eyes. Located on the right eyepiece. Waterproof Optics are sealed with O-rings to prevent moisture, dust, and debris from getting inside the binocular. Fogproof Barrels are filled with nitrogen gas to inhibit internal fogging. Features Raptor 8.5 Raptor 6.5 Magnification 8.5 x 6.5 x Objective Lens Diameter 32 mm 32 mm Eye Relief 14 mm 20 mm Exit Pupil 3.76 mm 4.92 mm Linear Field of View 390 feet/1000 yards 410 feet/1000 yards Angular Field Of View 7.4 degrees 7.8 degrees Close Focus 15 feet 15 feet Interpupillary Distance 50-70 mm 50-70 mm Dimensions 5″x 5″ 17.3oz 5″x 5″ 17.3oz Included with All Vortex Binoculars: Rainguard Tethered objective lens covers Comfort neck strap Soft carry case Vortex VIP Lifetime Warranty Ships Quickly! |
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Nikon Action EX Extreme Binoculars $188.99 10x 17.20 mm 2.25 lb 23 ft 341 ft 341 ft @ 1000 yard 5 mm 50 mm 7″ x 7.70″ 7245NIK The new Nikon Action Extreme binoculars feature an all-metal chassis with lens fittings housed in a tough, lightweight polycarbonate body shell. Like all Nikon All Terrain Binoculars, the EX is nitrogen-filled and O-ring sealed for total waterproof and fogproof performance in any environment. The binocular bodies are ergonomically shaped, tripod adaptable and are rubber coated for a non-slip grip, whether wet or dry. The new Extreme ATB offerings utilize high-resolution lenses and prism systems crafted from Nikon exclusive Eco Glass, which is made without the use of arsenic or lead. This lens system provides an extremely clear, distortion-free image over the entire field of view. The lens elements each incorporate multi-layered anti-reflective coatings formulated to deliver optimum brightness, high contrast, true color rendition and flare-free viewing in most lighting conditions. The Extreme series binoculars each feature a unique, click-stop eyecup design that not only delivers long eye relief, but also allows for variable eye relief that is customizable to the users own eyes and eyeglasses. The binoculars are central focus with a diopter control to correct for normal right/left eye vision imbalance. Action EX Extreme Binoculars Binocular Nikon Nikon Corporation www.nikon.com |