Alpen Monocular 8x21
monocular, magnification: 8 x, lens diameter: 21 mm, output pupil diameter: 2.63 mm, weight: 70 g
monocular, magnification: 8 x, lens diameter: 21 mm, output pupil diameter: 2.63 mm, weight: 70 g
Main Characteristics |
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Types |
monocular |
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 |
8x |
Lens diameter |
21 mm |
Diameter of the output pupil |
2.63 mm |
Field of view at a distance of 1000m |
126 m |
Type of prism |
Roof |
Materials of prism |
BK-7 |
Relative brightness |
6.9 |
The Twilight Factor |
13 |
Removal of the exiting pupil |
10 mm |
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 |
Green |
Dimensions and weight |
|
Length |
102 mm |
Weight (disambiguation) |
70 g |