Swarovski Z3 4-12×50 Scope. Slim yet BIG on detail. The Z3 4-12×50 is a 1-inch rifle scope that proves its strength in poor light conditions and over longer distances thanks to its 50 mm objective lens diameter and 12x magnification. Z3 4-12×50 L Even in the 1-inch class you don’t need to go without backup lighting and higher magnification. The Z3 4-12×50 L is designed to cope with these values – even with an incredibly lightweight design. Technical Data Magnification 4-12x Effective objective lens diameter (mm) 50 Exit pupil diameter (mm) 12.5-4.2 Exit pupil distance (mm) (Eye relief) 90 Field of view (ft/100 yds / m/100 m) 29.1-9.9 / 9.7-3.3 Field of view (degrees) 5.5-1.9 Field of view, apparent (degrees) 22.7 Dioptric compensation (dpt) -2.5 to +2.5 Light transmission (%) 90 Twilight factor acc. to ISO 14132-1 10.6-24.5 Impact point corr. per click (in/100 yds / mm/100 m) 0.25 / 7 Max. elevation / windage adjustment range (in/100 yds / m/100 m) 43 / 1.2 Objective filter thread M 52×0.75 Technical Data Length (in / mm) 13.78 / 350 Weight (oz / g) 14.5 / 410 Central tube diameter (in / mm) 1 / 25.4 Functional temperature -4 °F to +131 °F (-20 °C / +55 °C) Storage temperature -22 °F to +158 °F (-30 °C / +70 °C) Submersion tightness 13 ft / 4 m water depth (inert gas filling)