YBP23 20X80 Binoculars

High Quality Telescope Long Distance 20X80 Porro Binoculars with Bak4 Prism for astronomy or long-distance terrestrial viewing

·High-transmission BAK 4 porro prisms

·Gigantic 80mm (3.14″) aperture objective lenses

·3.2° field-of-view with exceptional contrast and sharpness

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Product introduction

※20x80mm Porro Binocular A high-quality yet affordable choice for binocular astronomy or long-distance terrestrial viewing with giant 80mm objective lenses and powerful 20x magniﬁcation.

※Dual-purpose mirror Can be used to observe objects and scenery, as well as stargazing and skygazing

※FMC multi-layer high transmittance green film High light transmittance, effectively reducing the refractive index of light, resulting in clear, sharp and transparent imaging

※Anti-slip, shock-resistant and fall-resistant Metal frame, lens body soft rubber protection meets daily life, non-slip, shock-resistant and fall-resistant

※Central axis focusing Solid structure, stable and durable, comfortable grip and accurate focusing.

Specification

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MODELS	YBP23 20×80 fixed
Magnification	20x
Objective lens diameter (mm)	80
Exit pupil diameter (mm)	4
Relative brightness	16
Twilight factor	40
Eye relief (mm)	15
Field of view，real （degree）	2.9°
Field of view，apparent （degree）	58°
Field of view，real (m / 1000 M )	52M
Field of view，real ( ft / 1000 yds)	156
Close focusing distance (m)	15
Diopter compensation (dpt)	±3
Interpupillary distance (mm)	58-72
Focus system	Center
Prism system	Porro
Prism glass	BAK4
Lens and prism coating	FMC
Eyecups style	Fold Down
Waterproof	No
Adapt to tripod	Yes
Dimensions (HxWxD) (mm)	32x20x10
Weight (g)	2700
EXW Unit Price($/unit)	41.7

Product Description

Durable and Water Resistant

The rugged, armored body provides protection and a secure grippingdsurface. Plus, the water-resistant exterior means you won’t have to worry about getting caught in unexpected weather.

FMC multi-layer high transmittance green film

High light transmittance, effectively reducing the refractive index of light, resulting in clear, sharp and transparent imaging

20x80mm Porro Binocular

A high-quality yet affordable choice for binocular astronomy or long-distance terrestrial viewing with giant 80mm objective lenses and powerful 20x magniﬁcation.

Integrated Tripod Adapter Rod

Enjoy extended, hands-free viewing sessions by mounting your 20×80 Porro binocular on a tripod. The built-in tripod adapter rod provides an ultra-d stable base.