Trijicon Electro Optics IR PATROL M250XR 4.5-8x60mm Thermal Weapn Sight Black. Trijicon manufactures these Thermal Imaging Scopes from 6061 Aircraft-grade aluminum and uses nitrogen purging for waterproof function. The Trijicon Electro Optics IR PATROL M250XR Thermal Scope has intuitive ergonomic controls to put advanced IR technology and 4.5 to 8x magnification in the palm of your hand. When your mission demands the best choose the Trijicon Electro Optics IR PATROL M250XR Thermal 4.5-8x60mm Weapon Sight. Specifications for Trijicon Electro Optics IR PATROL M250XR 4.5-8x60mm Thermal Weapon Sight: Manufacturer: Trijicon Color: Black Magnification: 4.5 x Objective Lens Diameter: 60 mm Refresh Rate: 30 - 60 Hz Resolution: 640x480 pixels Eye Relief: 27 mm Field of View Angle: 7 degrees Diopter Adjustment Range: -6 - 2 dpt Battery Type: CR123 Battery Life: 1 - 3.5 hours Operating Temperature: 0 - 55 Celsius Length: 5.95 in Width: 2.95 in Height: 2 in Weight: 27.02 oz Finish: Matte Battery Quantity: 1 Magnification Type: Variable Features of Trijicon Electro Optics IR PATROL M250XR 4.5-8x60mm Thermal Weapon Sight IRMO-250XR: Fully ruggedized weatherproof multidirectional thumbstick control is large and easy to find in complete darkness. Edge Detect Tactical Mode projects a fraction of the brightness of other modes to protect against night blindness caused by light from the screen. Maxpol Polarity easy to control polarity mode lets you switch between 3 levels of white hot and 3 levels of black hot displays. Helmet Mount Hands Free Observation: Take advantage of the lightweight design and fast 60 Hz frame-rate system that is optimized for helmet mounting. 60mm F/1.25 Objective Lens 4.5 Optical Zoom/8x Digital Zoom Stadiametric Rangefinder Uncooled VOx (Vanadium Oxide) Sensor Type Thermal Sensitivity