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Sigma 311205 50mm F1.4 DG HSM Art Lens for Sony Alpha Cameras
Product Description :
50mm focal length
75mm equivalent focal length on APS-C cameras 80mm equivalent focal length on Canon APS-C cameras
F14 maximum aperture F16 minimum
Ring-type ultrasonic-type AF motor with full-time manual focusing
77mm filters
04m157 minimum focus
