| Prism type | BAK-4 Roof | Porro II |
|---|---|---|
| Product colour | Black | Black |
| Exit pupil | 6.3 mm | 2.8 mm |
| Apparent field of view | 5.85° | 67° |
| Field of view (at 1000 m) | 102 m | 65 m |
| Closest focusing distance | 4 m | 6 m |
| Eye relief | 1.98 cm | 1.5 cm |
| Waterproof | Yes | Yes |
| Waterproof up to | 0.5 m | - |
| Magnification | 8x | 18x |
| Objective diameter | 5 cm | 5 cm |
| Twilight factor | 20 | - |
| Diopter adjustment (D-D) | -3.5 - 3.5 | - |
| Tripod mounting supported | Yes | - |
| Interpupillary distance (min) | 5.6 cm | - |
| Interpupillary distance (max) | 7.6 cm | - |
| Lens coating | - | Multi Coated (MC) |
| Real field of view | - | 3.7° |
| Image stabilizer | - | Yes |
| Focus | - | Manual |
| Objective lens structure (elements/groups) | - | 4/3 |
| Eyepiece lens structure (elements/groups) | - | 7/5 |
| Width | 180 mm | 152 mm |
|---|---|---|
| Depth | 140 mm | 193 mm |
| Height | 70 mm | 81 mm |
| Weight | 800 g | 1.18 kg |
| Carrying case | Yes | - |
|---|---|---|
| Neck strap included | Yes | - |
| Cleaning cloth | Yes | - |
| Battery type | - | 2x AA |
|---|---|---|
| Battery operated | - | Yes |
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