Pentax Binoculars ZD 10x43 ED (53136)

The Pentax ZD 10x43 ED binoculars are a premium model in the Pentax Z-Series, designed for users who require high-quality optics and rugged durability. These binoculars deliver outstanding clarity, edge-to-edge sharpness, and impressive brightness, even in low-light conditions such as dawn or dusk. The robust magnesium alloy body is fully waterproof and nitrogen-filled for fogproof protection, with a thick rubber armor for a secure grip-even when wearing gloves. Advanced coatings, ED glass, and aspherical lens elements ensure vivid, accurate colors and minimal distortion, while a hydrophobic protective layer keeps the lenses clear in rain, fog, or snow.

Optical Features:
Magnification: 10x
Objective lens diameter: 43 mm
Exit pupil: 4.3 mm
Eye relief: 17 mm (comfortable for eyeglass wearers)
ED (extra-low dispersion) glass for reduced chromatic aberration
Aspherical lens elements for edge-to-edge sharpness
Phase-corrected BaK-4 roof prisms for high contrast and resolution
Fully multi-coated optics and enhanced light transmission coatings for maximum brightness and accurate color
Hydrophobic nano-technology coating on all exposed lens surfaces

Design and Construction:
Type of build: Roof prism
Central focusing system
Rotatable twist-up eyecups
Diopter adjustment on the right side
Magnesium alloy chassis for strength and reduced weight
Rubber armoring for impact resistance and a non-slip grip
Waterproof and nitrogen-filled (JIS Class 6, submersible up to 1 meter)
Threaded tripod connector
Includes carrying case, neck strap, lens covers, and eyepiece caps

Field Performance:
True field of view: 6.0°
Field of view at 1,000 m: 105 m
Close focus limit: 2 m
Relative brightness: 18.5
Twilight factor: 20.7
Dimensions: 146 mm (length) x 126 mm (width) x 53 mm (height)
Weight: 730 g
Color: Black
Series: ZD

Recommended Uses:
Astronomy: Moderate
Bird watching: Good
Hunting: Very good (especially for stalking)
Travel and sports: Moderate
Sailing: Moderate
Theatre: Not recommended

These binoculars are ideal for birdwatching, hunting, nature observation, and outdoor activities where top optical quality, weather resistance, and durability are required.