The perfect wide-angle prime lens, the Sigma 28mm f/1.8 EX DG Aspherical Macro is suitable for general photography. The wide-angle lens is wide enough to satisfy scenic and landscape photography, as well as indoor photography. The lens employs enhanced optical construction to obtain adequate peripheral brightness when wide open. The lens features 10 elements in 9 groups, 9-blade diaphragm providing a pleasant bokeh, 7.9-inch close focusing distance and 77mm filter thread.
