Specifications for Sightron SIII 10-50x60 Riflescope: Magnification: Range 10 - 50 x Objective Lens Diameter: 60 mm Reticle: FTIRMOA-H Tube Diameter: 30 mm Finish: Matte Black Adjustment Click Value: 0.125 MOA at 100 yds Included Accessories: Eye guard, Side Wheel, Sightron Scope Coat Adjustment Range: 50 MOA W/E Travel at 100 Yds: 50 MOA Weight: 30.8 oz Field of View: Range 9.6 - 2.2 ft at 100 yds Eye Relief: Range 3.8 - 4.5 in Length: 16.9 in Color: Black Reticle Type: BDC/Ballistic Exit Pupil: 1.2 mm Illumination Type: LED Battery Type: CR2032 Parallax: Range 10 - 300 yds Battery Life: Up to 400 hours Diopter Adjustment Range: Range -2 - 1 dpt Reticle Focal Plane: Second Plane Optical Coating: Zact-7 TM 7-Layer Water Resistance Level: Waterproof Fogproof: Yes