The goggles are lightweight featuring Automatic Brightness Control, Bright Source Protection, built-in IR Illuminator and a patented wide exit pupil design which eliminates the need for inter-pupillary adjustment. 


D-221G-ST goggle creates a professional night vision system that offers the ultimate in versatility and performance of the dual-tube system. 

Main features:
High-performance, Gen 2+, Night Vision Goggle
Redundant dual-tube design 
True stereoscopic vision 
Light weight, compact and weather resistant 


Included:
Pelican Hard Case
One 3V Lithium Battery 
Operating Manual 
Warranty Card 


Specifications:
Image Intensifier Generation 2+ 
Resolution 28 to 38 lp/mm 
Magnification 1x 
Lens System 26 mm f1.2 
FOV 40° 
FOV @ 1000 yards 2184' 
FOV @ 1000 meters 728 meters 
Range of Focus 10" to infinity
25 cm to infinity 
Detection Range 738',225 meters 
Recognition Range 492',150 meters 
Diopter Adjustment +4 to -4 
Weather Resistant Yes 
Camera/Camcorder Adaptable No 
IR Illuminator Yes 
Battery Type/Life CR123 / 30 hours 
Dimensions 4.5" x 4.5" x 2.5" 114mm x 114mm x 64mm 
Weight 20 oz, 567 grams 
Operating Temperature -4°F to 113°F, -20°C to +45°C 
Tube Data Sheet No 
Warranty 2 Years