| Basic parameters |
PSO-1 | |
| Magnification | 4x | |
| Diameter of output pupil | 6 mm | |
| Distance of output pupil | 68 mm | |
| Field of view | 6° | |
| Focal distance | 350 m ± 50 m | |
| Ocular setup | -0,75D ± 0,5D | |
| Reticle perpendicularity | max. 1º | |
| Scale range | vertical horizontal |
0 dc up to -10 dc ±10 dc |