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20 X 50mm Binoculars Anti Fog / High Definition / Matte Coffee / Shock Resistant / Wide Angle / Porro / Hunting / Bird watching #05987708

(3)
20 X 50mm Binoculars Anti Fog / High Definition / Matte Coffee / Shock Resistant / Wide Angle / Porro / Hunting / Bird watching
$ 29.99
Earn additional 1% cash rewards on all orders
  • Color
    Coffee

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Product Details

Selling Points

1.
Compatibility: Military Bird watching Hunting
2.
Features: Wide Angle Shock Resistant
3.
Eye Relief (mm): 26mm
4.
Objective Lens (mm): 50mm
5.
Field of View (m): 357
6.
Optical system: Porro

Specifications

Specification
Compatibility Military, Bird watching, Hunting,
Features Anti-Shock, Spotting Scope, Wide Angle, Porro Prism, High Powered, Carrying Case, Generic, Weather Resistant, Matte, High Definition, Shock Resistant, UV Protection, Anti Fog,
Structures Binoculars,
Eye Relief (mm) 26mm,
Magnification 20,
Maximum Useful Magnification 20,
Objective Lens (mm) 50mm,
Field of View (m) 357,
Field Range (°) 6.5,
Eye Lens (mm) 18,
Prism Type BAK4,
Focus System Independent Focus, Central Focusing,
Optical system Porro,
Maximum IPD 26,
Optical Coating Multi-coated,
Eyecups Twist-up, Rotary liter,
Tripod Mount No,
Net Weight (kg) 0.78,
Waterproof Level IPX-4, IPX-3, IPX-2, IPX-1,
Special selected products StockUs, StockEuro,
Listing Date 07/03/2017,
Type Shoulder Bag, Dimlight, Zoom Binoculars,
Magnification Range
Magnification Range 20x & Up,

Photos

FAQs

  1. Q: What is night vision for the optical telescopes?
  • A:Night vision is the ability to see in low light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range.

    Night vision technologies can be broadly divided into three main categories: image intensification, active illumination and thermal imaging. The Optical telescopes use the principle of Image intensification to achieve the function of night vision.

    Image intensification magnifies the amount of received photons from various natural sources such as starlight or moonlight. Therefore, under low-light conditions, through the optical telescope we can only see the fuzzy image, except for the stars. We call it "Low Light Night Vision".

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