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1.6 Inches | Home » » » Olympus Outback 10x21 RC1 Binoculars | | | | | | | Description: | | Outback 10x21 RC I Roof-prism optics and UV-protection for superb performance during all-around recreational use. Extremely portable binoculars let you enjoy the view from virtually anywhere and conveniently fold up thanks to an innovative double-axis folding mechanism for even more compact appeal and carrying comfort. Complete with advanced optics with UV protection from harmful rays for a safe and incredibly clear viewing experience. Features: - High-index BaK-4 roof prisms. - Fully multi-coated lenses include aspherical elements for bright, sharp images from edge-to-edge. - Ultra-compact, foldable design. Innovative double-axis folding mechanism lets you fold the lenses into the body of the binocular making them incredibly convenient to carry in your hand or pocket. - Sleekly styled with a metallic silver finish makes them fun to use and great to look at. - UV protection reduces the transmission of harmful ultraviolet rays for safe viewing. - Twist-up eyecups let you decide your most comfortable viewing position. - Built-in dioptric correction adjusts to each user's eyesight to ensure clear viewing. - Eye-relief of 11mm provides comfortable viewing for those who wear glasses or don't. - Center focus knob is conveniently placed so your viewing experience is as easy and comfortable as you want it to be. - Lightweight (under 7 ounces). Specifications: Binocular Type: Roof Prism Magnification: 10x Objective Lens Diameter: 21mm Exit Pupil Diameter: 2.1 mm Real Angle of View: 5.0 degrees Apparent Angle of View: 50.0 degrees Field of View at 1000 Yards: 261 ft. Relative Brightness: 4.4 Eye Relief: 11mm Diopter Adjustment Range: Over +/- 2 m-1 Eye Interval Adjustment Range: 37-70mm Near Focus Distance: 8.2 ft. Weight: 6.9 oz. Dimensions At maximum eye interval: 4.1 (L) x 3.6 (W) x 1.6 (H) Lens Composition: 6 elements in 4 groups | | | Features: | |
• Slim body and foldable design
• High-index BaK-4 roof prisms
• UV protection
• Center focus knob
• Built-in dioptric correction adjusts to each user's eyesight
| | | Product Details: | | | Product Length:
| 3.9 inches | | Product Width:
| 3.5 inches | | Product Height:
| 1.6 inches | | Product Weight:
| 0.43 pounds | | Package Length:
| 4.65 inches | | Package Width:
| 3.39 inches | | Package Height:
| 2.6 inches | | Package Weight:
| 0.66 pounds | | Average Customer Rating:
|  based on 21 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 21 customer reviews )
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Most Helpful Customer Reviews
64 of 64 found the following review helpful:
 Olympus Outback 10x21 RC1 great binocularsOct 27, 2008
By G. Billheimer
"pleasant creek"
Olympus Outback 10x21 RC1 Binoculars Great binocs, small, light, easy to carry, and decent optics for a tiny price. Comes with a functional soft, artificial leather carry case with velcro flap, neck strap slot, belt loop slots on rear, and a nylon neck strap affixed to the binocs. Re: the occasional negative review, please research how binoculars work before you buy. The 10 in 10 x 21 is the maximum magnification (too much makes it hard to focus because the human hand shakes); the 21 is the diameter of the objective lens (bigger collects more light). The 10 x 21 is a great compromise between performance and portability - makes these binoculars good for concerts, casual use, sightseeing. Not for serious birdwatchers or salt water sailors, who want more performance and therefore will tolerate more weight and size. Also, before writing a review, please learn how to focus your binocs, including how to fine tune the focus with the adjustable eyepiece: (First, pick out a moderately distant object. Second, viewing with your left eye, adjust the master focus [center knob] with right eyepiece covered and blocked off. Third, viewing with your right eye, fine focus [twist the slim right eyepiece ring] the right eyepiece with the left eyepiece covered and blocked off. Now your binocs are 'set' for your particular eyes and you can easily change focus as you view different objects just by using the master focus knob. The next person, with different eyes, will likely need to readjust the binocs per above instructions.) Also the rubber eyecups can be adjusted in and out as well. This helps some people, especially those with glasses.
11 of 11 found the following review helpful:
Great binoculars for the price!Jun 11, 2007
By A. Rotgers
Nice entry level binoculars...perfect for casual wildlife watching and outdoor concerts...small and easy to tuck away.
10 of 10 found the following review helpful:
Great productApr 01, 2008
By B. Aguado
I love these little binoculars. I specifically bought these to use on my daily runs. I run in an area that is great for birding and would often see ones off in the distance that I couldn't identify. I can run with these really easily as they fold up to neatly hold in one hand. Now I can check out any new or migrating species whenever I want. They are also strong enough to get a good look at quite a distance away. They are really easy to use and very light weight, perfect for on the run outside or to slip in a purse for your next concert.
7 of 7 found the following review helpful:
Great Compact BinocularsAug 31, 2007
By Gabriel Roybal
"Big Dog"
I bought these binoculars based on the previous reviews and I'm glad I did. I will be using them primarily to hunt elk and deer in northern New Mexico. I wear glasses and these are very easy to use with my glasses and the size is great especially when out on the trail.
7 of 7 found the following review helpful:
Compact and CapableJun 12, 2007
By Gerald G. Leibowitz
I bought this set of binoculars for my wife, who is a surfer. It is easy to use and has enough power to let us see who's in the water. The image is bright and clear, with a wide field of view. It's compact and light. The price was very reasonable too. I highly recommend it.
See all 21 customer reviews on Amazon.com
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