Product weight - 335g / Filter diameter (mm) - 67 / Max. diameter x length (mm) - 77.9x 62.6 / AF actuator - Ring USM / Lens construction (elements/groups) - 10/8 / Minimum aperture - 22 / Angle of view (horzntl, vertl, diagnl) - 63�, 38�, 54� / Maximum magnification (x) - 0.24 / Magnification Extension Tube EF12 II - 0.60-0.36 / Magnification Extension Tube EF25 II - 1.04-0.79 / No. of diaphragm blades - 8 / Closest focussing distance (m) - 0.24 / Distance Information - Provided / Image stabilizer - 4 stops