Binoculars Swift Sport Optics 820 Audubon 8.5x44
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| Weight: | 682 g |
| Brand: | Swift Sport Optics |
| Description: | Type: binoculars, magnification: 8 x, lens diameter: 22 mm, exit pupil diameter: 2.75 mm, functions: pupillary distance adjustment, features: case/pouch included, design: retractable eyecups, multilayer |
| Type: | Binoculars |
| Lens diameter: | 44 mm |
| Minimum focusing distance: | 36 m |
| Field of view at a distance of 1000 m: | 143 m |
| Increase: | 8.5 x |
| Eye relief: | 16 mm |
| Prism material: | BAK-4 |
| Prism type: | Porro |
| Focusing: | Central |