The APO-Summicron-SL 28 f/2 ASPH. is the latest addition to the ever-expanding APO-Summicron-SL series.Following the existing focal lengths of 35, 50, 75 and 90 mm, the APO-Summicron-SL 28 f/2 ASPH. is the first true wide-angle lens in this series.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 image from edge to edge without distortion. The ability to separate the subject from the background at f/2 while maintaining maximum sharpness and performance allows for extensive creative possibilities.