BRESSER 8.5x45 Montana ED Binocular (Gray)

BRESSER 8.5x45 Montana ED Binocular (Gray)

BRESSER 8.5x45 Montana ED Binocular (Gray)

B&H # BR1701000U MFR # 17-01000U
BRESSER 8.5x45 Montana ED Binocular (Gray)

BRESSER 8.5x45 Montana ED Binocular (Gray)

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Expected availability: 7-10 business days

Product Highlights

  • Extra Low-Dispersion Glass Objectives
  • Phase-Corrected BAK4 Roof Prisms
  • Broadband Fully Multi-Coated Optics
  • 55.8° Apparent Angle of View
  • Nitrogen-Filled, Water and Fogproof
  • Closed Bridge Configuration
  • Magnesium Alloy Chassis
  • Center Focusing
  • Tripod Mountable with Optional Adapter
  • Twist-Up Four-Position Eyecups
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Magnification: 8.5x


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  • 1Description

Breaking with tradition, Bresser forgoes the common 8x42 configuration and instead created their 8.5x45 Montana ED Binocular with a slight boost in magnification and larger objectives. The combination of increased power and objective diameter not only brings your subject in closer but also ensures the scene stays bright and crisp, even in low light conditions such as at dawn and dusk. Complementing the magnification and objectives are extra low-dispersion (ED) glass and phase-corrected prisms. ED glass corrects chromatic aberration for true color rendition, and the phase-correction coatings increase image contrast and color vibrancy to produce a truly immersive visual experience. Finally, all optical coatings are fully multi-coated with broadband anti-reflection coatings to reduce light loss and increase overall image quality in all lighting conditions.

Bresser designed the Montana with a lightweight yet durable magnesium chassis. This offsets the weight of the larger objectives, to maintain a very manageable 26.3 ounce total weight. The optical tubes are nitrogen-filled and o-ring sealed to be water and fogproof, so they can hold up to extreme conditions and wide temperature swings, and rubber armoring on the exterior helps to protect it from impacts while providing you with a slip resistant grip, especially in cold and wet conditions. A 1/4"-20 threaded mount at the front of the center hinge allows the binocular to be mounted on a tripod with an optional adapter, for hands-free viewing.

Optical Performance
  • 8.5x magnification
  • 45mm objective lenses
  • BaK-4 roof prisms
  • Broadband anti-reflection fully multicoated optics
  • Phase corrected prisms increase contrast and color fidelity
  • Extra low-dispersion (ED) glass corrects chromatic aberration for true color rendition
  • 345' field of view at 1000 yards
  • 55.8° apparent angle of view
Use and Handling
  • Closed bridge configuration
  • Large textured center focus wheel
  • ±3 right-eye dioptric correction
  • Twist-up four-position eyecups for use with or without eyewear
  • Tripod mountable with optional adapter
  • 5.3mm exit pupil
Construction Details
  • Lightweight and durable magnesium alloy chassis
  • Gray rubber armoring protects against impacts and provides a slip-resistant grip
  • Nitrogen-filled for water and fogproof performance
  • Weight: 26.3 ounces
In the Box
BRESSER 8.5x45 Montana ED Binocular (Gray)
  • Shoulder Strap
  • Leather Carrying Bag
  • Limited 30-Year Warranty, with Registration
  • Table of Contents
    • 1Description
    Prism Type Roof
    Magnification 8.5x
    Objective Lens Diameter 45mm
    Angle of View 6.57° (actual)
    55.8° (apparent)
    Field of View 344.9' @ 1000 yd / 114.9 m @ 1000 m
    Minimum Focus Distance 68.2' / 20.8 m
    Exit Pupil Diameter 5.3 mm
    Eye Relief Not Specified by Manufacturer
    Interpupillary Adjustment Not Specified by Manufacturer
    Dioptric Correction ±3
    Focus Type Center
    Tripod Mount Yes (Adapter Optional)
    Dimensions 6.1 x 5.0 x 2.2" / 15.5 x 12.8 x 5.5 cm
    Weight 26.279 oz / 745 g
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