A fantastic lens for portraits; Fast, virtually silent focusing; A great performer in low-light conditions; Super-sharp image quality; Compact ‘go-everywhere’ design. Angle of view (horzntl, vertl, diagnl): 40º, 27º,46º; Lens construction (elements/groups): 6/5; No. of diaphragm blades: 7; Minimum aperture: 22; Maximum magnification: 0.21 x; Distance Information; AF actuator: STM.