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Portable Binoculars High Power 25-75X70 Ground Telescope, Monocular Refractor Magnification Optical BAK4 Prism Long-Distance Waterproof Tripod, Used for Bird Watching

KWD 107.500
Brand
Generic
Category
Telescopes
– 1 +

Special Features

  • 1: structure: the lens body is short, the focal length is long, taking into account the advantages of refractor and reflector, effective magnification
  • 2: Large diameter: 70mm large diameter, large amount of light, brighter and clearer images
  • 4: Enhanced green film-multi-layer broadband green film, the image is clearer
  • 3: Large magnification: continuous zoom 25-75 times, adjustable between any magnification, can be used for multi-purpose observation
  • 5: Nitrogen-filled and waterproof: Inject nitrogen into the lens barrel and dry to IPX7 level, effectively extending the service life of the telescope

Description

Monoculars Telescope astronomical binoculars adults high power for indoor and outdoor
Objective lens: 70mm
Focal length: 780mm
Focus ratio: 11.2
Eyepiece diameter: 20mm
Magnification: 25x-75x
Multi-layer lens coating
Exit pupil: 2.8-0.93mm
Prism: BaK4
Exit pupil distance: 19mm @ 25x-15mm @ 75x
Linear field of view: 20-35 m/1000m; 60-105 feet/1000 yards
Close shot: 10m/32.8ft
Waterproof: IPX7
Net weight: 792g

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