Black Waterproof 20X50 Binoculars High Resolution Night Vision Binoculars Telescopes for for Adults Bird Watching
Product Description
-High-transmission BAK 4 porro prisms -Gigantic 80mm (3.14") aperture objective lenses -3.2° field-of-view with exceptional contrast and sharpness
※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.
※Bright, Sharp Images-Even in Dim Conditions Multi-coated optics and BaK-4 prisms deliver excellent light transmission for brighter images. The 20x80mm Porro Binocular is a favorite among those who view in dimconditions near dawn and dusk, or for astronomy.
※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.
※Comfortable & Eyeglass Friendly Soft, rubber eyecups are comfortable to use and block stray light.Eyeglasses wearers can fold down the eyecups for easier viewing.
※Integrated Tripod Adapter Rod Enjoy extended, hands-free viewing sessions by mounting your 20x80 Porro binocular on a tripod. The built-in tripod adapter rod provides an ultra-d stable base. ※With panoramic fluid pan & tilt head and rocker arm on top, can realize almost any angle shooting precisely and efficiently
※Applicable to various scenarios Mountaineering travel,Enjoy the scenery,observe animals,concert. etc
Specification
| MODELS | YBP23 20x80 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 |
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20X80 Binoculars with Tripod Adaptor for Astronomy, Birding, Sports, Long Range Viewing Images
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