The Pentax SMC 50 mm lens, having 6 elements in 5 groups, lets you change set the focus as per your requirement. With a maximum aperture of f/1.7, this Pentax A lens provides great contrast and sharp colors. 49 mm filter of this SMC lens ensures perfect light transmission, producing bright pictures. This Pentax A lens, with a horizontal 40 degrees FOV, captures a wide area without distortion. Having a 6 blade diaphragm, even the out-of-focus objects look clearer with this camera lens. With minimum focusing distance of 45 cm, the Pentax SMC lens gives amazing close-ups.