YONGNUO YN50mm F1.8 Standard Prime Lens Large Aperture Auto Focus Lens For Canon EF Mount Rebel DSLR Camera Yongnuo Lens EF 50mm 1.8 for Canon is a 50mm auto fucus lens for creative, art and beauty photography. The wide aperture of 1.8 enables a shallow dept of field. F1.8 large aperture,virtual background,which makes photography with more fun. Support auto focus and manual focus mode; Adopts gold plating for the metal contacts,effectively improve the signal conductivity and corrosion resistance; Supports M/AV/TV/P and other camera shooting modes,and can be displayed the aperture data in the EXIF Information;