Swarovski Z6I 2.5-15x56 P BT 4A-I

Magnification - 2.5-15x
Effective objective lens diameter (mm) - 24.0-56
Exit pupil diameter (mm) 9.5-3.8
Exit pupil distance (mm) (Eye relief) - 95
Field of view (ft/100 yds / m/100 m) - 49.5-8.1 / 16.5-2.7
Field of view (degrees) - 9.4-1.5
Field of view, apparent (degrees) - 23.2
Dioptric compensation (dpt) - -3 to +2
Light transmission (%) - 91
Twilight factor acc. to DIN ISO 14490-1 7.1-29
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 / 1.8-1
Parallax correction (yds / m) - 55-∞ / 50-∞
Objective filter thread - M 58x0.75
Length (in / mm) - 14.33 / 364
Weight (oz / g) 22.4 / 635
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 tightness - 13 ft / 4 m water depth (filled with nitrogen)