Product weight - 1670g / Filter diameter (mm) - 77 / Max. diameter x length (mm) - 92 x 184 / AF actuator - Ring USM / Lens construction (elements/groups) - 23 / 16 / Minimum aperture - f/22-38 (f/22-40 for cameras featuring 1/3-stop increments) / Angle of view (horzntl, vertl, diagnl) - 65� - 6� 50�, 46� - 4� 35�, 75� - 8� 15� / Maximum magnification (x) - 0.06 (Wide); 0.3 (Tele) / Magnification - Extension Tube EF12 II - Compatible / Magnification - Extension Tube EF25 II - Only compatible in Tele mode / No. of diaphragm blades - 8 (circular type) / Closest focusing distance (m) - 0.7m to infinity (at all zoom focal lengths)
