Kowa BDII-XD Wide Angle, Close Focus Binoculars

Description
Customer Reviews

Product Highlights

Extra-Low Dispersion PROMINAR Glass
Phase-Corrected Schmidt-Pechan Prisms
Anti-Reflection Fully Multi-Coated
Oil-Resistant KR Exterior Lens Coatings

With a magnification-objective lens configuration favored by outdoor enthusiasts and outfitted with an ultra-wide field of view, the Kowa BD II XD Wide-Angle Binocular produces bright high-contrast images with true-to-life color and crisp clarity even when observing from long distances.

To deliver its performance, Kowa employs complementary technologies, including the use of proprietary PROMINAR extra-low dispersion fluorite glass, anti-reflection fully multi-coated optics, and highly reflective C³ and phase-correcting prism coatings that work together to produce crisp, clear, and bright high-contrast images with accurate color rendition across the entire spectrum. Added to this performance is a short close-focus distance, an ultra-wide angle of view, and a comfortable eye relief, which produce an immersive observational experience for any user. The expansive field of view also reduces the need to move the head very much for a more comfortable viewing experience while virtually eliminating the distracting hand shake common with high-power optics.

Designed for extensive outdoor use, the lightweight magnesium alloy chassis is wrapped in a protective rubber armor with a slip-resistant textured grip to provide secure handling in cold and wet conditions. To ensure a compact and highly packable form factor, Kowa utilizes Schmidt-Pechan prisms that allow for slimmer optical tubes but deliver the performance of conventional roof prisms. The optical tubes are nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperature or humidity changes.

Optical Performance

6.5-10x magnification enables detailed observations of distant subjects like animals, athletes, and architectural details
32-42mm objective lenses deliver the light-gathering capability required for extended use during the pre-dawn and late dusk hours
Schmidt-Pechan prism design corrects the view while allowing for thinner optical tubes versus the more common Abbe-Koenig design
PROMINAR XD extra-low dispersion glass reduces chromatic aberration, which causes halos and fringing, for improved color rendition and contrast
Proprietary PROMINAR lens glass is made of chemically stable artificial fluorite crystal that is free of impurities, so it will not fluoresce in UV light or have a tint that can impede accurate color fidelity
Anti-reflection fully multi-coated optics improve light transmission, color rendition, clarity, and contrast
Phase-correcting prism coatings eliminate internal light diffraction to improve clarity and contrast
C³ prism coatings improve internal light transmission to higher than 99% across the entire visible spectrum to improve color rendition, clarity, and contrast
Short close focus distance of just under 6 feet enables users to make detailed observations of small subjects like bugs and insects or flora and fauna
Ultra-wide apparent angle of view helps to minimize the appearance of the distracting hand shake often associated with high-power optics while offering an immersive observational experience
Spacious field of view at 1000 yards

Use and Handling

Closed-bridge configuration provides a solid and stable platform for the internal focusing mechanism
Textured center focusing wheel is easy to manipulate, even in cold and wet conditions or when wearing gloves
Right-eye dioptric correction allows the user to fine-tune the focusing to their individual eyesight—even if they wear corrective lenses
Integrated 1/4"-20 threaded adapter socket on front of bridge hinge allows the optic to be tripod mounted with an optional adapter
Twist-up multi-position rubber eyecups for comfortable use and correct eye relief, with or without eyewear
Comfortable 16.5mm eye relief reduces eyestrain and improves overall viewing comfort
4.2mm exit pupil will cover most pupils as they open and dilate in low light

Construction Details

Prism design allows for thinner optical tubes, contributing to the overall compact form factor and providing a more comfortable feel in the hand
Lightweight and durable magnesium alloy chassis reduces weight without sacrificing strength and stability
Nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperature changes or environmental conditions
Protective rubber armor provides a slip-resistant grip
Oil-resistant KR exterior lens coatings make it easy for dirt, sap, and oil to be cleaned off without smudges or residue
Light weight

In the Box

Kowa BD II XD Wide-Angle Binocular

Lens Cloth

Neck Strap

Carrying Case with Strap

One-Piece Ocular Rainguard

2 x Objective Lens Caps

Limited Lifetime Warranty

Rating Snapshot

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Average Customer Ratings

5.0

Mr.

The optical perforce is very good. The wide angle helps to easily find animals at long ranges. Very light weight and worth the money.

Did you find this helpful? 3 of 3 Found Helpful

Reviewed by: Ray from Cold Lake on 9/28/2021

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