Sigma 55-200mm F/4-5.6 DC K Mount Autofocus Lens For Pentax APS-C Sensor DSLRS {55}

The Sigma 55-200mm f4-5.6 has a reduced image circle compatible to DSLRs with APS-C sensor. Designed as a full range telephoto zoom, the field of view is equivalent to 88-320mm on full format cameras. The Sigma 55-200mm DC encompasses 12 elements in nine groups, eight diaphragm blades (delivers a decent bokeh), and 1.1 meter minimum focusing distance. Compact, telephoto lens with high performance zoom is suitable for a vast range of subjects and photographic needs.