Not only will the 20mm (30mm in 35mm full-frame format) focal length and f/2.8 maximum aperture appeal to experienced photographers, but the outstanding resolution of this lens will satisfy their most stringent image quality requirements as well. This set contains a Sony Alpha 20mm f/2.8 E-Mount Prime Lens, Front Lens Cap, Rear Lens Cap, Lens Hood, and a Limited 1-Year Warranty.