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Olympus Outback 10x21 RC I Binoculars

Item # OM10X21RC (Part # 118710)
Brand new, USA Warranty
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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.




- 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).




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

This Kit Includes:

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