Norbert Midget 8x21 Black Line
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| Brand: | Norbert |
| 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 casing |
| Width: | 98 |
| Height: | 28 |
| Type: | Binoculars |
| Length: | 102 mm |
| Housing material: | Plastic |
| Lens diameter: | 21 mm |
| Exit pupil diameter: | 2.6mm |
| Minimum focusing distance: | 4 m |
| Field of view at a distance of 1000 m: | 128 m |
| Increase: | 8 x |
| Angular field of view real: | 7.3° |
| Eye relief: | 105 mm |
| Prism material: | BK-7 |
| Relative brightness: | 6.76 |
| The Twilight Factor: | 13 |
| Prism type: | Roof |
| Focusing: | Central |