The APO-Summicron-SL 28 f/2 ASPH. combines a classic wide-angle focal length with state-of-the-art technology. The 28mm focal length allows for a sharp overview from edge to edge without distorting the perspective too much. The ability to separate the focal plane without loss of performance by using an open aperture provides even more extensive creative possibilities. This make the APO-Summicron-SL 28 f/2 ASPH. not just a universal lens, but one that produces truly extraordinary compositions.