"The Armasight Spark CORE 1x Multi-Purpose Night Vision Monocular is the ideal night vision unit for an outdoorsman or first responder who demands resolution, image clarity and durability. It features CORE (Ceramic Optical Ruggedized Engine) technology image intensifier tubes. These tubes use a specially formulated ceramic compound fused with metal alloys similar to those used in the production of GEN 2 and GEN 3 image intensifier tubes. Further advances in CORE include almost completely removed edge distortion, dramatically increased photo-sensitivity and most importantly, almost doubled resolution up to 60 lp/mm. The Armasight Spark is the perfect partner for this hybrid tube-type: a rugged but lightweight multi-purpose night vision monocular.With optional accessories, it can be hand-held or head-mounted; with a day scope adapter, it can convert your existing day scope to one with night vision at a budget price. With an optional 3x A-focal lens and an IR illuminator, it can serve as a medium range, ultra-high resolution spotting scope and with optional camcorder / camera adapter, you can even take footage or stills though it in darkness.|Compact, rugged design|Waterproof|Head mountable for hands-free usage|Ergonomic, simple, easy to operate controls|Utilizes single CR123A lithium battery|Adaptable for use with cameras|Built-in Infrared illuminator|Export of this product outside of the United States of America is not allowed and is controlled by the US Department of State"