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The lightweight and compact Kowa 10x25 BD25-10 Binocular is intended for hikers, birders, and outdoor enthusiasts, with performance-enhancing features that include phase-corrected prisms with highly-reflective C3 coatings and fully multi-coated optics to produce bright and crisp high-contrast views with accurate color fidelity. A short 6' close focus makes it ideal for enjoying detailed observations of small subjects like feeding hummingbirds, butterflies, or insects. The housing is nitrogen-filled to make the binocular fully waterproof and prevent fogging when moving through extreme temperature changes. The combination of compact form factor and lightweight design make the BD25 easy to carry in a pocket, pack, or bag without adding bulk or heft to your load so you can carry them with confidence that you'll never miss a glassing opportunity on the trail, in the field, or at the stadium.
25mm objective lenses
Compact Schmidt-Pechan roof prism optical path
C3 aluminum prism multi-coatings:
Increases reflectivity to higher than 99% across the entire visible spectrum
Produces bright and crisp images with accurate color fidelity
Phase-correcting prism coatings:
Correct chromatic aberration
Improves color rendition while eliminating color shift and off-axis comas
Fully multi-coated optics improve light transmission, color rendition, and contrast
Short 6' close focus distance allows for detailed observation of small subjects like hummingbirds, butterflies, and insects
263' field of view at 1000 yards
Long 17.7mm eye relief
2.5mm exit pupil
Use and Handling
Large knurled center focus knob
Right-eye dioptric correction helps to customize to optical prescriptions for use without eyeglasses
56-74mm interpupillary distance adjustment range
Twist-up click-stop eyecups for comfortable use with or without eyewear
Nitrogen-filled for water and fogproof performance