The Sigma 10mm 2.8 EX DC is a Sigma auto focus fisheye lens designed for digital SLR cameras that are equipped with APS-C size image sensors. This HSM lens supports high-speed auto focus silently thanks to its Hyper Sonic Motor. This Sigma auto focus fisheye lens reproduces stunning images with exaggerated perspective and distortion. Besides close-up photography, this HSM lens covers wide range of subjects with its large depth of field. The wide aperture of the Sigma 10mm 2.8 EX DC lets you cover an entire stadium or a cramped low lighted temple interior.