A quality lens in a compact design, Nikon 28mm f/2.8 uses sophisticated glass elements plus special coatings to produce superior sharpness and light handling. Close-Range-Correction (CRC) maintains image quality throughout the focusing range down to its minimum focusing distance of 8.3" The manual focus lens also utilizes Super Integrated Coatings for minimizing ghosting and flare. Additionally, when used on DX-format camera bodies it has a 42mm equivalent focal length.