Specifications for ATN Night Arrow 6 Generation 2 NV Gun Sight:
Total Darkness IR System: Yes
"SMART" Technology: No
IIT Generation: 2
Photocathode Type: Multi - Alkali
Resolution: 45-54 lp/mm
Signal to Noise Ratio: 12-20
Figure of Merit:  
MTTF - Mean Time Before Failure: 5,000
Magnification: 6x
Lens System:  
Proshield Lens Coating: Yes
FOV: 5deg
Exit Pupil: 11 mm
Eye Relief: 46 mm
Range of Focus: 10 m to infinity
Diopter Adjustment: -4 to +6
Controls: Direct
Remote Control: No
Automatic Brightness Control: Yes
Bright Light Cut-off: Yes
Infrared Illuminator: Detachable IR450
IR Indicator: Yes
Low Battery Indicator: Yes (in FOV)
Power Supply: 1 x 1.5 V AA type battery
Battery Life: 30 hrs
Reticle System: Red on Green
Windage & Elewation Adjustment: 1/6 MOA
Environmental Rating: Water and fog resistant
MIL-STD-810: No
Operating Temperature: -40 to +50 °C
Storage Temperature: -50 to +70 °C
Dimensions: 335x103x93 mm (13.2"x4.1"x3.7")
WeightL: 1.7 kg / 3.8 lbs