Sigma 50mm F1.4 Art DG HSM Lens for Nikon
Brand: Sigma
Color: Black
50mm focal length, Lens not zoomable
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. 77mm filters. 0.4m/15.7" minimum focus. Please use a USB dock for calibrating the focus