Optical Features/Specifications Image size 35mm film equivalent focal length (mm) APS-C (EF-M) Approx. 44.8 Angle of view (horizontal, vertical, diagonal) 44º 10', 30º 10',51º 55' Lens construction (elements/groups) No. of diaphragm blades Minimum aperture 11/10 7 (Circular) 22 0.097 (Normal), 0.093 (Super Macro mode) 1 (Normal), 1.2 (Super Macro mode) Yes Hybrid IS, up to 3.