The AimpointA(R) 3X-C Magnifier was developed for the civilian end user, and can be used in conjunction with all AimpointA(R) sights for long-range aiming or observation. A variable -2 to +2 dioptric setting allows this magnifier to be adapted to the individual shooter's eye. The 3X-C can also be used as a 3X handheld monocular. Aimpoint magnifiers utilize the red dot in Aimpoint sights as the aiming reticle, eliminating the need for re-zeroing when shifting between non-magnified and magnified aiming. The Aimpoint 3X-C Magnifier (no mount) is encased in a shock absorbing protective rubber cover that also creates an ideal ergonomic grip. Internal optical adjustments make aligning the magnifier and sight quick and easy. Optical Specifications Optical magnification: 3x NVD compatible: Yes Field of view FoV: 6deg Exit pupil: 6.5 mm Eye relief: 56 mm Dioptric adjustment: 2.0 D Physical Specifications Length sight only: 103 mm 4" Width: 45 mm 1 3/4" Height sight only: 45 mm 1 3/4" Weight sight only incl battery: 220 grams 7.8 ounces including rubber cover Environmental Specifications Temperature range operation: Operation at a temperature of -35 degC to +55 degC Temperature range storage: Storage at a temperature of -35 degC to +55 degC Temperature shock: From -25degC to +40 degC Humidity: +40 degC, RH: 95 % Submersible: Immersion to a depth of 0.5 m