Armasight Sirius helmet mounted night vision monocular

Armasight Sirius helmet mounted night vision monocular    DESCRIPTION The Armasight Sirius is a high-tech, tough and durable multi-use monocular that delivers great Gen 2+ performance, but at the lowest possible cost. Packed with features, the Sirius is a unit that is equally at home with the hunter as it is with the  professional security officer or law enforcement professional. Mission configurable, the Armasight Sirius can be hand-held, head/helmet mounted; it can be mounted onto a rifle with a variety of different mounts, or it can be mounted in front of a camcorder or camera for night photography. Optional 3, 5 or 8X lenses can turn it into a long range night viewing device in seconds. Incredibly for such a low cost unit, the Sirius features manual brightness control, bright light shut-off circuitry and a spot/flood built-in IR illuminator. The Armasight Sirius is a night vision work-horse that will satisfy the requirements of the most demanding professional or casual night vision user with room to spare. FEATURES     Compact, rugged design     Head mountable for hands-free usage     Manual Gain Control     Bright light cut-off     Ergonomic, simple, easy to operate controls     Utilizes single CR123A lithium battery or AA Alkaline, Adapter included     Adaptable for use with cameras     Built-in Infrared illuminator and flood lens     Life Tracker System available for measuring hours of operation (optional)     Limited two-year warranty   EXPORT RESTRICTIONS Sale, transfer, transportation, or shipment outside of the U.S. or to any non U.S. Persons is prohibited. Please contact Armasight for additional information. SPECIFICATION

IIT Generation	Gen 2+
Resolution	45-51 lp/mm
Magnification	1x standard; 3x, 5x, 8x optional
Multi-Purpose System	Yes
Photocathode Type	Multi-Alkali
Lens System	F1.2, 24 mm
FOV	40°
Range of Focus	0.25 m to Infinity
Diopter Adjustment	-5, +5 dpt
Controls	Direct
Bright Light Cut-off	Yes
Automatic Shut-off System	Yes
Infrared Illuminator	Yes (built in with flood lens)
IR Indicator	Yes (in FOV)
Low Battery Indicator	Yes (in FOV)
Power Supply	1x 3 V lithium, or 1x 1.5 V AA Alkaline
Battery Life	60 hrs
Environmental Rating	Water resistant
Operating Temperature	-51 to +49 °C
Storage Temperature	-50 to +70 °C
Dimensions	157 x 60 x 75 mm / 6.2 x 2.4 x 2.9 in
Weight	0.46 kg / 1.0 lbs
Warranty	2 Years