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Kowa 8X42mm Roof Prism
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Kowa 8X42mm Roof Prism Image :    1
Manufacturer Kowa  
Model 8X42mm Roof Prism  
Specifications for Kowa 8X42mm Roof Prism Binoculars Waterproof Binoculars:

Magnification:          8X

Effective Diameter of Objective Lens:          42mm

Real Field of View:          6.3?

Apparent Field of View:          50.4?

Field of View at 1000m:          110m

Exit Pupil Diameter:          5.2mm (0.2")

Relative Brightness:          27.6

Eye-Relief:          18.3mm (0.72")

Focusing Range:          2.0m - Infinity

Length:          146mm (5.75")

Width:          127mm (5")

Height:          51mm (2")

Weight:          730g (26 oz)

Features of Kowa 8x42mm BD-42 Binoculars :

Fully Multi-coated Optics
Phase Coating on the Roof Prism
C3 Coating
Waterproof and Fogproof (Nitrogen Purged)
Rubber Armored Shell
Minimum Focusing Distance of 2m (6.56 feet)
Easy to Use Twist-Up Eyecup
Inner Focusing Mechanism