PNV-57 M

Basic parameters
PNV-57 M
Magnification min. 0,95x
Left and right channel magnification differences max. 8%
Field of view min. 48°
Dioptric range of eyepieces min. -2 D/+1,5D
Objective focus range 30 m ± 10 m
Convergence of optical axes of the eyepiece must be:
0° ± 1°
0° ± 1°
Resolution limit of the device must be:
at level of illumination 10-1lx and contrast 0,85 up to 0,95
at level of illumination 10-3lx and contrast 0,85 up to 0,95
max. 1,9 dc
max. 2,9 dc
Power supply range min. 1,2 up to 3,6 V
The temperature range for operation -30°C up to +50°C
The temperature range for storage -40°C up to +65°C
Resistance to increased moisture 95% 16 hours at 50°C
Vibrations – amplitude 0,15mm, frequency 10 up to 55Hz 10 minutes