PENTAX UP 8x21 Black
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| Weight: | 210 g |
| Brand: | Pentax |
| Description: | Type: binoculars, magnification: 8 x, lens diameter: 21 mm, exit pupil diameter: 2.60 mm, functions: pupillary distance adjustment, features: case/pouch included, construction: aspherical lenses, retractable |
| Width: | 110 |
| Height: | 48 |
| Additional Information: | Belt, lens caps and eyepieces |
| Type: | Binoculars |
| Length: | 8.3mm |
| Lens diameter: | 21 mm |
| Exit pupil diameter: | 2.6mm |
| Minimum focusing distance: | 2.8 m |
| Field of view at a distance of 1000 m: | 108 m |
| Increase: | 8 x |
| Angular field of view real: | 6.2° |
| Eye relief: | 1.3 mm |
| Prism material: | BK-7 |
| The Twilight Factor: | 13 |
| Prism type: | Porro |
| Focusing: | Central |