BRESSER 8.5x45 Montana ED Binoculars (Gray)

BH #BR1701000U • MFR #17-01000U
BRESSER
BRESSER 8.5x45 Montana ED Binoculars (Gray)
Key Features
  • Extra-Low-Dispersion Glass Objectives
  • Phase-Corrected BAK4 Roof Prisms
  • Broadband Fully Multi-Coated Optics
  • 55.8° Apparent Angle of View
Breaking with tradition, Bresser forgoes the common 8x42 configuration and instead created their 8.5x45 Montana ED Binoculars 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.
Special Order
Expected availability: 7-10 business days
$799.00
Magnification
10.5x8.5x
Sales and export of this item to South Korea are prohibited.
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BRESSER 17-01000U Overview

  • 1Description
  • 2Optical Performance
  • 3Use and Handling
  • 4Construction Details

Breaking with tradition, Bresser forgoes the common 8x42 configuration and instead created their 8.5x45 Montana ED Binoculars 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 binoculars 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

BRESSER 17-01000U Specs

Prism TypeRoof (BAK4)
Performance
Magnification8.5x
Objective Lens Diameter45 mm
Angle of View6.57° (Actual)
55.8° (Apparent)
Field of View344.9' @ 1000 yd / 114.9 m @ 1000 m
Minimum Focus Distance68.2' / 20.8 m
Exit Pupil Diameter5.3 mm
Diopter Adjustment-3 to +3
Focus TypeCenter
Features
FogproofYes, Nitrogen Filled
Water ResistanceWaterproof
General
Dimensions6.1 x 5 x 2.2" / 15.5 x 12.8 x 5.5 cm
Weight26.28 oz / 745 g
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