Discovery Basics BB 8x21
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| Brand: | Discovery |
| Product color: | Navy blue |
| Description: | Type: binoculars, magnification: 8 x, lens diameter: 21 mm, exit pupil diameter: 2.60 mm, functions: pupillary distance adjustment, features: case/pouch included, design: rubber-coated body, rubber on |
| Additional Information: | Ultra-compact foldable design, great choice for daytime viewing |
| Type: | Binoculars |
| Housing material: | Plastic |
| Lens diameter: | 21 mm |
| Exit pupil diameter: | 2.6mm |
| Minimum focusing distance: | 3m |
| Field of view at a distance of 1000 m: | 131 m |
| Increase: | 8 x |
| Angular field of view real: | 7° |
| Eye relief: | 11 mm |
| Prism material: | BK-7 |
| Prism type: | Roof |
| Focusing: | Central |