Key Features EF-Mount Lens/Full-Frame Format Aperture Range: f/1.8 to f/22 Super Spectra Coating STM Stepping AF Motor Rounded 7-Blade Diaphragm

Focal Length 50mm Maximum Aperture f/1.8 Minimum Aperture f/22 Lens Mount Canon EF Lens Format Coverage Full-Frame Angle of View 46 Minimum Focus Distance 13.78" / 35 cm Maximum Magnification 0.21x Optical Design 6 Elements in 5 Groups Diaphragm Blades 7, Rounded Focus Type Autofocus Image Stabilization No Filter Size 49 mm (Front) Dimensions ( x L) 2.72 x 1.54" / 69.2 x 39.2 mm Weight 5.64 oz / 160 g