Product weight - 205g / Filter diameter (mm) - 58 / Max. diameter x length (mm) - 69.0 x 75.2 / AF actuator - STM / Lens construction (elements/groups) - 13/11 / Minimum aperture - 22 - 38(36) / Angle of view (horzntl, vertl, diagnl) - 64� 30' - 23� 20', 45� 30'- 15� 40', 74� 20' - 27� 50' / Maximum magnification (x) - 0.36 (at 55mm) / Magnification w/ Extension Tube EF12 II - 0.65-0.23_ / Magnification w/ Extension Tube EF25 II - 1.00-0.51_ / No. of diaphragm blades - 7 / Closest focussing distance (m) - 0.25 / Distance Information - Provided / Image stabilizer - 4-stops / 35mm film equivalent focal length (mm) - 29-88