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Vortex Kaibab HD 20×56 Roof Prism Binocular


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SKU: KAI-5603 Category:

Vortex Kaibab HD 20×56 Roof Prism Binocular

The ultimate long range binocular, the Vortex Kaibab HD 20×56 Roof Prism Binocular leaves little to the imagination. Every detail, even at extreme long ranges, is revealed in vivid high definition color. Every speck is translated into opportunity. Pushing the performance envelope, the Kaibab HD offers the power and optical features you need to dissect the landscape in search of big game. It features superior images, stunning resolution and, of course, incredible power. When it comes to “do it yourself or else”, the Kaibab HD delivers.

Vortex Kaibab HD 20×56 Roof Prism Binocular Features

APO System

Apochromatic optical system combines with HD glass to provide unmatched color sharpness.

HD Lens Elements

Premium HD (High Density) extra low dispersion glass delivers the ultimate in resolution and color fidelity, resulting in High Definition images.

XR Plus Fully Multi Coated

Premium proprietary coatings deliver the highest level of light transmission with multiple anti reflective coatings on all air to glass surfaces for maximum brightness.

Dielectric Prism Coatings

Multi layer prism coatings provide bright, clear, color accurate images.

Plasma Tech

Cutting edge application process provides unparalleled coating durability and performance.

Phase Correction

Coating on roof prism models enhances resolution and contrast

Roof Prism

Valued for greater durability and a more compact size.


O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.

Fog Proof

Argon gas purging prevents internal fogging over a wide range of temperatures.


Ultra hard, scratch resistant coating protects exterior lenses from scratches, oil and dirt.

Rubber Armor

            Provides a secure, non-slip grip, and durable external protection.

56 mm Lenses

       Maximize low light performance.

Multi Position Eyecups

Twist up and down to precise, intermediate settings to maximize custom fit for comfortable viewing with or without eyeglasses.

Center Focus Wheel

Adjusts the focus of both binocular barrels at the same time.

Locking Diopter

Adjusts for differences in a user’s eyes. Located on right eyepiece.

Tripod Adaptable

Compatible with a tripod adapter, allowing use on a tripod or car window mount.


Magnification 20 x
Objective Lens Diameter 56 mm
Eye Relief 15 mm
Exit Pupil 2.8 mm
Linear Field of View 168 feet/1000 yards
Angular Field of View 3.2 degrees
Close Focus 23 feet
Interpupillary Distance 60-76 mm
Height 7.7 inches
Width 5.7 inches
Weight 43.5 ounces



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