50 millimeters standard lens with f/1.4 maximum aperture for Canon SLR cameras 2 high-refraction lens elements and Gaussian optics help eliminate astigmatism Delivers crisp images with little flare at the maximum aperture Extra-small Micro USM focus adjustment and full-time manual focusing
50 millimeters standard lens with f/1.4 maximum aperture for Canon SLR cameras 2 high-refraction lens elements and Gaussian optics help eliminate astigmatism Delivers crisp images with little flare at the maximum aperture Extra-small Micro USM focus adjustment and full-time manual focusing