Goggles night vision 2+/3 generations Gals PG21
| Technical characteristics Gals PG21: | |
| Magnification. Х | 1 |
| Angle of vision, degr. | 40 |
| Lenses, focal length, mm | F26 |
| Focus limit, m | 0,25 ... ∞ |
| Diopter range, dptr. | ±4 |
| PupilInterpupillary distance, mm | 59 ... 72 |
| Detection range, m | 140-200 |
| Operating temperature | -40С...+50С |
| Type of batteries | 2 x AAA |
| Operating time, hour | 55 |
| Dimensions. mm | 158x117x56 |
| Weight, kg | 0,55 |
| Degree of protection by IEC 60529) | IPx4 |