This high-luminosity rifle scope with a 56 mm objective diameter allows you, thanks to its 25x magnification, to shoot accurately over long distances, even in the poorest light conditions.Field of view (degrees) 4.0-0.8Field of view, apparent (degrees) 21.1Dioptric compensation (dpt) -3 to +2Light transmission (%) 90Twilight factor acc. to ISO 14132-1 15.5-37.4Impact point corr. per click (in/100 yds / mm/100 m) 0.26 / 7.2Max. elevation / windage adjustment range (in/100 yds / m/100 m) 86.4/54 / 2.4/1.5Impact point corr. per click (MOA) 1/4Max. elevation / windage adjustment range (MOA) 82/50Elevation/windage impact point correction per rotation (clicks) 80/72Option to go below sight-in distance SUBZERO (clicks) 40Parallax correction (yds / m) 55-8 / 50-8Objective filter thread M 58x0.75Functional temperature -4 AdegF to +131 AdegF (-20 AdegC / +55 AdegC)Storage temperature -22 AdegF to +158 AdegF (-30 AdegC / +70 AdegC)Submersion tightness 13 ft / 4 m water depth (inert gas filling)