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8X18 Monocular Compact Size Bird watching General use Cellphone BAK4 Fully Multi-coated 250/1000 #02356546

8X18 Monocular Compact Size Bird watching General use Cellphone BAK4 Fully Multi-coated 250/1000
£ 9.67
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Product Details

Selling Points

Compatibility: Bird watching
Exit Pupil Diameter (mm): 3
Objective Lens (mm): 18
Field of View (m/m): 250/1000
Optical Coating: Fully Multi-coated
Tripod Mount: Yes


Compatibility Bird watching, General use, Cellphone,
Material Plastic,
Features Compact Size,
Structures Monocular,
Exit Pupil Diameter (mm) 3,
Magnification 8,
Minimum Focus Distance (m) 3,
Objective Lens (mm) 18,
Field of View (m/m) 250/1000,
Field Range (°) 16,
Prism Type BAK4,
Optical Coating Fully Multi-coated,
Tripod Mount Yes,
Net Dimensions(cm) 7.0*3.0*3.0,
Net Weight(kg) 0.065,
Listing Date 11/25/2014,
What's in the box 2 Lens cap, 1 Lens Cleaner, 1xClip,
Type Normal,
Field of View Range 150-300ft/1000yds,
Exit Pupil Diameter Range (mm) 2-3mm,
Magnification Range
Magnification Range 5x to 9.9x,



  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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