Swarovski Optik 1.7-10x42 Z6i 2nd Generation Riflescope, Matte Black Finish with Illuminated 4A-I Reticle - 69237

4A-I Reticle in Second Focal Plane: Illuminated 4A-I reticle has three heavy posts at 3, 6 and 9 o'clock which stand out against heavy cover. A single stadia resides at 12 o'clock and intersects with fine crosshairs. An illuminated red dot indicates the exact point of aim Ballistic Turret (BT) provides an accurate aiming point and enables specific long-range target shots The alignment nose indicates whether the basic setting is being used Variable distance settings in addition to the 4 designated distances The distances are shooter selected at any time, even in the field BT is easily assembled and adjusted to the specific firearm Swarovski proprietary internet ballistics software program will calculate the necessary click values for the desired distances to be used in conjunction with the BT Export of this product outside of the United States of America is not allowed and is controlled by the US Department of State Swarovski Optik Specifications Reticle Illuminated 4A-I Reticle Magnification 1.7-10x Effective objective lens diameter 16.0-42 (mm) Exit pupil diameter 9.6-4.2 (mm) Exit pupil distance (Eye relief) 95 (mm) Field of view (ft/100 yds / m/100 m) 75.6-12.6 / 25.5-4.2 Field of view 14.3-2.4 (degrees) Field of view, apparent 23.7 (degrees) Dioptric compensation -3 to +2 (dpt) Light transmission 90 (%) Twilight factor acc. to DIN ISO 14490-1 4.7-20.5 Impact point corr. per click 0.36 / 10 (in/100 yds / mm/100 m) Max. elevation/windage adjustment range 54 / 1.5 (in/100 yds / m/100 m) Objective filter thread M 44x0.75 Central tube diameter 1.18" / 30mm Functional temperature -4 deg.F to +131 deg.F (-20 deg.C / +55 deg.C) Storage temperature -22 deg.F to +158 deg.F (-30 deg.C / +70 deg.C) Submersion tightness 13' / 4m water depth (filled with nitrogen) Length 12.75" / 324mm Weight 17.3 oz/ 490.4g