This device with image intesifier tube Gen.2+ DEP - Photonis in version Supergen has resolution as Type 1 min. 45 lp/mm and min. 51 lp/mm as Type 2, S/N Ratio min. 18, photocathode sensitivity min. 500 µA/lum  and gain min. 30 000x. Lifetime is minimal 7 500+ hours.

ATN NVG7 compact and light weight, rugged (metal not plastic), and a top notch performer the NVG-7 is an exceptional choice for hands free usage. The NVG7-2 is a single tube night vision goggle built around High Grade 18 mm  image intensifier tube and utilizes a pseudo binocular design for added observation convenience. It has an built-in IR light source for close-up illumination in complete darkness. ATN NVG7 is an excellent choice for hands free Night vision applications.
The NVG 7 is a single tube night vision goggle built around High Grade 18 mm image intensifier tube and utilizes a pseudo binocular design for added observation convenience. It has an built-in IR light source for close-up illumination in complete darkness.
Light weight, rugged and a top notch performer the NVG7 is an exceptional choice for hands free usage.
The NVG7 is available with a wide range of image intensifier options to meet a wide array of specification requirements.

Specifications:

Intensifier tube  2nd Gen. DEP Supergen
Detection range  250 m
Recognition range  175 m
Lens system  F1:1.2, F35mm
Resolution  45-51 lp/mm
Magnification  1x
FOV  40 deg.
Objective focal lenght 25 mm
Focus range 25 cm to infinity
Diopter adjustment  - 6 to + 5 
Eye relief  15mm
Exit pupil  16mm
Interpuppilary distance Fixed 56 to 73mm
IR illumination  50m
Optical material  Heavy multi-coated glass 
Materials Aircraft quality CNC machined Aluminium composite 
Weight  0.45 kg/1 lbs 
Dimensions   140 x 100 x 60 mm
Waterproof 1m for 60 min
Operating temperature -30 C° to +50 C°  
Input voltage 1.2 to 1.5 VDC
Battery One 3 V Lithium or one 1.5 V AA per customer request
Battery life  10-20 hours 
Switch ON/OFF/IR
Power switch type  Push button
IR switch type  Push button