Swarovski 68401 Z8i 2.3-18x56 P L 4A-I

Technical Data 
Magnification2.3-18
Effective objective lens diameter (mm)18.4-56
Exit pupil diameter (mm)8.1-3.1
Exit pupil distance (mm) (Eye relief)95
Field of view (ft/100 yds / m/100 m)55.8-6.9 / 18.6-2.3
Field of view (degrees)10.6-1.3
Field of view, apparent (degrees)24
Dioptric compensation (dpt)-3 to +2
Light transmission (%)93
Twilight factor acc. to ISO 14132-16.5-31.8
Impact point corr. per click (in/100 yds / mm/100 m)0.36 / 10
Max. elevation / windage adjustment range (in/100 yds / m/100 m)64.8/36.0 / 1.8/1.0
Parallax correction (yds / m)55-∞ / 50-∞
Objective filter threadM 58x0.75 
Technical Data 
Length (in / mm)14.3 / 364
Weight (oz / g)25.6 / 725
Central tube diameter (in / mm)1.18 / 30
Functional temperature-4 °F to +131 °F (-20 °C / +55 °C)
Storage temperature-22 °F to +158 °F (-30 °C / +70 °C)
Submersion tightness13 ft / 4 m water depth (inert gas filling) Illumination unit Brightness levels
Twilight: 0 - 32 / Day: 33 - 64
Operating time (h)Twilight factor at medium brightness: 1,400; daylight factor at medium brightness: 180