Discovery Basics BBC 8x21 Terra
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| Brand: | Discovery |
| Description: | Type: binoculars, magnification: 8 x, construction: retractable eyecups |
| Type: | Binoculars |
| Housing material: | Plastic |
| Lens diameter: | 21 mm |
| Exit pupil diameter: | 2.6mm |
| Field of view at a distance of 1000 m: | 126 m |
| Increase: | 8 x |
| Angular field of view real: | 7.2° |
| Prism material: | BK-7 |
| Prism type: | Porro |
| Focusing: | Central |