Product weight - 690g / Filter diameter (mm) - 77 / Maximum diameter x length (mm) - 83.5 x 118 / AF actuator - Ring USM / Lens construction (elements/groups) - 17/12 / Minimum aperture - 22 / Angle of view - 74� - 19�20', 53� - 13�, 84� - 23�20' (horizontal, vertical, diagonal) / Magnification - 0.24 (at 105mm) / Magnification with extension tube EF12 II - 0.6 - 0.41 / Magnification with extension tube EF25 II - 0.61 at Tele (Not compatible at Wide)
