Kowa 10x25 BD25-10 Binocular (Green)

Kowa 10x25 BD25-10 Binocular (Green)

Kowa 10x25 BD25-10 Binocular (Green)

B&H # KO10X25GR MFR # BD25-10GR
Kowa 10x25 BD25-10 Binocular (Green)

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Expected availability: 7-14 business days

Product Highlights

  • Phase-Corrected Roof Prisms
  • Reflective C3 Aluminum Prism Coatings
  • Fully Multi-Coated Optics
  • Short 6' Close Focus Distance
  • Nitrogen-Filled, Water and Fogproof
  • Closed-Bridge Configuration
  • Large Center Focusing Knob
  • Twist-Up Click-Stop Eyecups
  • Slip-Resistant Protective Rubber Armor
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Kowa BD25-10 overview

  • 1Description

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.

Optical Performance
  • 10x magnification
  • 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
  • Closed-bridge configuration
  • 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
Construction Details
  • Nitrogen-filled for water and fogproof performance
  • Slip-resistant protective rubber armoring
  • Lightweight: 11.3 ounces
UPC: 879110002507

Kowa BD25-10 specs

Prism Type Roof
Magnification 10x
Objective Lens Diameter 25mm
Angle of View 5.0° (actual)
Field-of-View 263.0' @ 1000 yd / 87.3 m @ 1000 m
Minimum Focus Distance 5.91' / 1.8 m
Exit Pupil Diameter 2.5  mm
Eye Relief 17.7  mm
Interpupillary Adjustment 56.0 - 74.0 mm / 2.2 - 2.9"
Dioptric Correction Not specified by manufacturer
Focus Type Center
Tripod Mount None
Dimensions 4.37 x 4.21 x 1.54" / 11.1 x 10.7 x 3.9  cm
Weight 11.3 oz / 320.0 g
Packaging Info
Package Weight 1.0 lb
Box Dimensions (LxWxH) 6.1 x 5.7 x 2.3"

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