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Steiner 10x50mm Military BRF Binocular Rangefinder

Item# BCO175
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  • 10x50 binocular with built in rangefinder
  • Maximum ranging distance of 1,600 yards
  • Waterproof and nitrogen filled
  • High-definition mil-spec optics
Details & Dimensions
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Steiner's new 10x50 Military Binocular Rangefinder Offers Military Ruggedness and Precision


Renowned the world over for the extreme durability and reliability of its military binoculars, Steiner is charting new territory with the addition of its new 10x50 Military Binocular Laser Rangefinder (BRF), a lightweight, laser-rangefinding binocular.  Unique and compact in design, the new 10x50 Military LRF is based on Steiner's  own military-tested/military-approved, tried-and-true Porro-Prism configuration.  It integrates a sleek two-button interface and a powerful laser rangefinder that outpaces its competition with a maximum rangeing distance of 1,600 yards.


The 10x50 Military LRF's built-in laser rangefinder utilizes an eyesafe invisible FDA class 1 laser in the left half of the unit.  The digital display is superimposed over the image seen in the unit's right half.  By centering the target display on the subject while touching and releasing the "RANGING" button located on top of the right half, the digital display will provide an accurate distance value nearly instantaneously.  Holding the ranging button for more than three seconds activates the unit's SCAN mode, which is especially helpful when measuring small or moving targets.  SCAN mode switches off automatically after 20 seconds to conserve battery life.


The Steiner 10x50 Military LRF has a wide measurement range from 20 yards to 1,600 yards.  With sunshine and good visibility, the unit's accuracy is within one yard at ranges up to 380 yards, within two yards to 763 yards, and within approximately one-half of one percent to 1,600 yards.  The Military LRF is also capable of being switched to provide metric measurements via the SET button.


A single, easily accessible 3-volt CR123A battery powers the 10x50 Military LRF laser rangefinder.  A new battery will provide in excess of 5,000 individual measurements at 68 degrees F.  A flashing display indicates a low-battery condition.


By utilizing the Porro-prism design, the 10x50 is superior to a comparable binocular of roof-prism design because it loses less light, thus providing brighter image reproduction.  In addition, Porro prisms provide distortion-free images without the costly addition of phase coatings, and they afford users greater three-dimensional viewing due to the offset lenses.  The high-definition mil-spec optical elements provide maximum image clarity and brightness with edge-to-edge sharpness.  User focus is set by individual ocular adjustments, which allow for a depth of field from approximately 30 yards to infinite distance, with little or no readjustment needed for varying distances.


The new Steiner 10x50 Military LRF is pressurized with dry nitrogen fill and is waterproof to a depth of 16 feet.  The chassis is made with Makrolon, a fiber reinforced polycarbonate material that is extremely impact resistant.  All allow components are anodized, and external metal parts are finished in enamel to prevent corrosion.  The advanced military-oriented design is armored with Nitrile Butadiene Rubber (NBR) making the new Steiner 10x50 Military LRF exceptionally rugged, yet it's surprisingly light in weight at approximately 46 ounces.

About Steiner
From its humble, post-WWII beginnings, Steiner has become one of the largest manufacturers of high-quality optics. Optics pioneer Karl Steiner established Steiner Optik GmbH in 1947, offering products from small cameras to binoculars and special lenses. As the company grew, it increasingly focused its production on professional high-quality binoculars. Steiner innovations include rubber armoring, the first binoculars ever with an integrated compass, the first binocular with special optical coating to protect against harmful UV radiation, the pocket-size binocular, and the new Predator lens coating to increase contrast of animals against wooded backgrounds.

Today, Karl Steiner's son Carl continues to strengthen and develop the company's position as a world leader in binocular production, utilizing the highest level of technology and setting high standards for future products with all binocular manufacturers. Steiner is located in Moorestown, N.J.

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Shipping Restrictions:
Only ships in contiguous USA.

Dimensions & Specifications


45.9 oz.


Full Size Binoculars

Eye Relief



Rangefinder , Waterproof




Hunting Rangefinders



Objective Lens Diameter


Field of View at 1000 Yards

348 ft.

Exit Pupil


Prism Type

Porro Prism Binoculars

Twilight Factor


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