Jumelles celestron
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Porro prism binoculars with 20x magnification and 80 mm objective lenses. Multi-coated optics, BaK-4 prisms, central focus knob, tripod adapter, long eye relief. Carrying case included.
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Description:
Celestron SkyMaster 20x80 binoculars are designed for terrestrial or astronomical use, especially over long distances. The 80 mm objective lens provides maximum brightness in low-light conditions.
Multi-coated optics deliver sharp and clear images with uniform sharpness across the field. BaK-4 prisms ensure good light transmission.
The rubber-coated body ensures a secure grip. Focusing is done with a large central knob. A tripod adapter rod is integrated for stable mounting.
The 18 mm eye relief is suitable for eyeglass wearers. A soft carrying case is included for transport and safe storage.
Technical specifications:
Magnification: 20x
Objective lens diameter: 80 mm
Objective lens focal length: 328.6 mm
Angular field of view: 3.7°
Linear field of view @1000 m: 65 m
Exit pupil: 4 mm
Eye relief: 18 mm
Close focus: 33 m
Interpupillary distance: 56 mm to 72 mm
Diopter adjustment: -4 to +8
Twilight factor: 40
Relative brightness: 16
Limiting magnitude (ideal sky): 12.02
Prism type: Porro
Prism glass: BaK-4
Lens coatings: Multi-Coated
Water resistant: Yes
Nitrogen filled: No
Tripod adaptable: Yes
Weight: 2126 g
Dimensions: 228 x 120 x 325 mm
Included items:
Objective lens caps
Rainguard
Carrying case
Neck strap
Lens cloth
Instruction manual