Kowa BD25 Compact Binoculars

About this product

Kowa's BD25 compact binocular combines a selection of features including small size, lightweight and single hinge for ease of use with multi-coated lenses and C3 prism coatings, providing first-class light transmission and brighter, sharper images in a portable package. The glass parts are made from environmentally-friendly eco-glass and are designed and manufactured in Japan. 100% waterproof and filled with nitrogen gas to prevent internal fogging, these binoculars are reliable in even the most adverse conditions. The rubber surface doubles as a grip, providing peace of mind in wet conditions. They also have an impressive close focus range of 1.8m, making them viable for insect surveys as well as birding. A great choice for traveling naturalists. 

Specification

BD25 8x25

Objective Lens Effective Diameter: 25mm

Magnification: 8x

Relative Brightness: 9.6

Twilight Factor: 14.1

Eye Relief: 16.0mm

Real Field of View (degrees): 6.3

Minimum Focusing Distance: 1.8m

Exit Pupil Diameter: 3.1mm

Field of view at 1000m/yds: 110

Dimensions (Length x Width x Height): 111x107x39mm

Weight: 320g

BD25 10x25

Objective Lens Effective Diameter: 25mm

Magnification: 10x

Relative Brightness: 6.3

Twilight Factor: 15.8

Exit Pupil Diameter: 2.5mm

Real Field of View (degrees): 5.0

Field of view at 1000m/yds: 87

Minimum Focusing Distance: 1.8m

Dimensions (Length x Width x Height): 111x107x39mm

Weight: 320g

Eye Relief: 18.0mm

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