Product weight - 615g / Filter diameter (mm) - 77 / Max. diameter x length (mm) - 82.6 x 112.8 / AF actuator - Ring USM / Lens construction (elements/groups) - 16/12 / Minimum aperture - 22 / Angle of view (horzntl, vertl, diagnl) - 98� - 54�, 4�10_ - 38�, 08�10_ - 63� / Maximum magnification (x) - 0.23x (at 35mm) / Magnification w/ Extension Tube EF12 II - 0.63-0.36_ / Magnification w/ Extension Tube EF25 II - 1.12-0.80_ / No. of diaphragm blades - 9 / Closest focussing distance (m) - 0.28 / Distance Information - Yes / Image stabilizer - 4.0 / Dust/moisture resistance - Yes
