Canon EF 50mm F/1.4nUSM Specs Focal Length 50mm Maximum Aperture f/1.4 Minimum Aperture f/22 Lens Mount Canon EF Lens Format Coverage Full-Frame Angle of View 46° Minimum Focus Distance 1.48" / 45 cm Maximum Magnification 0.15x Optical Design 7 Elements in 6 Groups Diaphragm Blades 8, Rounded Focus Type Autofocus Image Stabilization No Filter Size 58 mm (Front) Dimensions (ø x L) 2.91 x 1.99" / 73.8 x 50.5 mm Weight 10.23 oz / 290 g