Product weight - 425g / Filter diameter (mm) - 58 / Maximum diameter x length (mm) - 75 x 71.5 / AF actuator - USM / Lens construction (elements/groups) - 9/7 / Minimum aperture - 22 / Angle of view (horzntl, vertl, diagnl) - 24�, 16�, 28�30' / Maximum magnification (x) - 0.13 / Magnification - Extension Tube EF12 II - 0.27 - 0.15 / Magnification - Extension Tube EF25 II - 0.44 - 0.32 / No. of diaphragm blades - 8 / Closest focusing distance (m) - 0.85
