The Swarovski Z6i 2-12X50 Illuminated Rifle scopes in 4A-I Reticle have broken new ground in being the only rifle scope with 6x optical zoom. Eliminating the need to acquire other riflescopes, with the Swarovski Z6i 2-12X 50 Illuminated Rifle scope it combines everything you need for different hunting situations, this is the all-in-one hunting rifle scope. The new Z6 line of rifle scopes from Swarovski Optik gives birth of the universal riflescope, finally ending the search for different scopes for different uses. Magnification: 2-12x Objective lens diameter/mm(in: 19.3-50 (0.76-1.97) Exit pupil diameter/ mm (in): 9.6-4.2 (0.38-0.17) Exit pupil distance (Eye relief)/ mm (in): 95 (3.74) Field of view m/100 m (ft/100 yds): 21-3.5 (63-10.5) Field of view, real/ degrees: 14.3-2.4 Field of view, apparent/ degrees: 11.8-1.95 Dioptric compensation/ dpt: 3 to +2 Transmission/ %: 90 Twilight factor acc. to DIN 58388: 5.7-24.6 Impact point corr. per click mm/100 m (in/100 yds): 10 (0.36) Elevation/windage adjustment range/ m/100 m (ft/100 yds): 1.5 (4.5) Objective filter thread: M 52 x 0.75 Length/ mm (in) Z6: 346/349 (13.62/13.74) Weight/ g (oz): 570 (20.1) Tube diameter/ mm (in): 30 (1.8)