Barska 6-18x21 Colorado
Binoculars, magnification: 18 x, lens diameter: 21 mm, output pupil diameter: 3.5 mm
Binoculars, magnification: 18 x, lens diameter: 21 mm, output pupil diameter: 3.5 mm
Main Characteristics |
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Types |
Binoculars |
Theater binoculars |
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Astronomical binoculars |
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Built-in compass |
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Built-in range finder |
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Optical stabilizer |
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Digital Cameras |
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Technical Specifications |
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Zoom |
|
Increases |
18x |
Lens diameter |
21 mm |
Diameter of the output pupil |
3.5 mm |
Field of view at a distance of 1000m |
100 m |
Focusing |
centralised |
Minimum Focusing Distances |
10.3 km |
Type of prism |
Porro |
Relative brightness |
12.25 |
The Twilight Factor |
11.22 |
Diopter correction |
±5D |
Adjusting the distance between pupils |
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Aspheric lenses |
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Low-dispersion lenses |
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Multilayer coating of lenses |
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Corpus |
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Retractable eyelids |
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Rubber eyelids |
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Protection from moisture and dust |
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Nitrogen/argon filling |
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Shockproof housing |
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Rubberized hull |
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Mounting on a tripod |
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Without eyeball |
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Flap/case in set |
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Colors |
black |