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Eyeskey 12X50 Monocular High Definition Waterproof Generic Weather Resistant Bird watching General use Cellphone BAK4 Fully Multi-coated #04472891

Eyeskey 12X50 Monocular High Definition Waterproof Generic Weather Resistant Bird watching General use Cellphone BAK4 Fully Multi-coated
$ 69.99
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  • Color
    2# Black
  • Size
    2# 3# 1#

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Shipping Time: Local Standard 3-5 business days

Product Details

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Brand: Eyeskey

Selling Points

Features: Waterproof
Exit Pupil Diameter (mm): 5
Objective Lens (mm): 50
Field of View (m): 246ft/1000yds
Optical system: Porro
Optical Coating: Fully Multi-coated
Tripod Mount: Yes


Compatibility Cellphone,
Material Plastic,
Features Waterproof, Generic, Weather Resistant, High Definition,
Structures Monocular,
Exit Pupil Diameter (mm) 5,
Magnification 12,
Objective Lens (mm) 50,
Field of View (m) 246ft/1000yds,
Eye Lens (mm) 22,
Prism Type BAK4,
Optical system Porro,
Optical Coating Fully Multi-coated,
Eyecups Rotary liter,
Tripod Mount Yes,
Net Weight (kg) 0.34,
Listing Date 10/22/2015,
Field of View Range 150-300ft / 1000yds,
Exit Pupil Diameter Range 4-5,
Lens Diameter 20-30MM,
Type Normal,
Magnification Range
Magnification Range 10x to 14.9x,


Learn More About This Product

  • About Eyeskey® Binoculars
  • Eyeskey® was founded in 1999 in order to help you develop a passion for the wonders of observing. Specifically, the company is activated in the designing, manufacturing and sales area of binoculars and other optical instruments.

    product description

    product description


  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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