Gen. 3 Tube Comparison 

Generation 3 U.S. Military
Photo cathode  Gallium Arsenide
Resolution 45 lp/mm, 64lp/mm(optional)
Tube Gain 35,000 X ( stable )
System Gain 3,200 X ( stable )
Signal to Noise Ratio 18:1
Photo Response 1,200 Ma/lu
Objective Lens 25mm f/1.2 precision ground

Magnification 1X real time
Field of View 40° ( 1X lens )
Focus Distance 2.5m to Infinity ( 1X Lens )
Battery Power 2 AA standard
Battery Life 20 hours
Dimensions 14.9 x 14.9 x 9.1 cm
Weight 680 gm
Head Mount Light weight composite, 7 point adjustment, padded
Lens Cap Pinhole spec for daytime viewing / training
IR Illuminator Active vision IR illuminator for close up work
Illuminator Indicator Heads up in left eypiece

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