Magnification: 3-12XObj. Lens Diameter: 40mmExit Pupil Range: 13.2-3.0mmField of View @ 100 yards: 31.4-8.3Optimum Eye Relief: 4 in.Parallax Setting: 10 to infinityClick Adjustment Value: 1/4Adjustment Range: 45-45Weight:17.1 oz.Features:-Calibrated for the .17 HMR-Adjustable parallax-Turret calibrated for .17/.17 HMR & .20 grPRODUCT SPECIFICATIONS:Dimension 3.20 X 4.05 X 17.80Height 3.2000Width 4.0500Length 17.8000TYPE OF SCOPE RIFLEPOWER 3-12TUBE DIAMETER 1"FIELD OF VIEW AT 100 YARDS 31.4-8.3FINISH BLACK MATTEWEIGHT IN OUNCES 17.1000LENGTH IN INCHES 13.3800FRONT LENS IN MM 40.0000ADJ PARALLAX YTARGET TURRETS YLENS CAPS INCLUDED YTYPE OF RETICLE DUAL-XSIDE PARALLEX ADJ NLOCKING TURRETS NINCLUDES RINGS NOTHER FEATURES: CALIBRATED FOR THE .17 HMR, ADJUSTABLE PARALLAX, TURRET CALIBRATED FOR .17, 17 HMR AND .20 GR, LIMITED LIFETIME WARRANTY