Make sure this fitsby entering your model number. 50mm focal length 75mm equivalent focal length on APS-C cameras, 80mm equivalent focal length on Canon APS-C cameras F1.4 maximum aperture; F16 minimum Ring-type ultrasonic-type AF motor with full-time manual focusing 77mm filters 0.4m/15.7" minimum focus Available in Canon EF, Sony Alpha, Sigma SA, Nikon F (FX) mounts