Sony FE 50mm f/1.8 Lens with 16GB SD Card and Software KitThe optical design is state of the art for high image quality, and the large f 1. 8 maximum aperture can produce gorgeous background bokeh. On APS C format E mount bodies it provides equally high quality with an equivalent focal length of about 75 mm. Mobile and Manageable Although it is a full frame lens, this model is compact and weighs only 6. 56 ounces. Whether on the camera or in your bag it won't be a burden and it'll be ready whenever needed.