Sigma 8-16mm F4.5-5.6 DC HSM Lenses

Sigma 8-16mm F4.5-5.6 DC HSM Lens This is the first ultra wide zoom lens with a minimum focal length of 8mm designed specifically for APS-C size image sensors. It has an equivalent angle of view of a 12-24mm lens when used on digital camera with an APS-C size image sensor. A DC series lens designed exclusively for use with smaller chip APS-c sensor cameras HSM (Hyper-Sonic Motor) ensures a quiet & amp high-speed auto focus FLD glass elements with performance equal to fluorite glass to compensate for color aberration One Aspherical lens and two glass mold elements Produces images with exaggerated perspective with its wide angle view from 121.2º Detailed specifications of the Sigma 8-16mm F4.5-5.6 DC HSM Lens Lens Construction 15 Elements in 11 Groups Angle of View 114.5-75.4 Number of Diaphragm Blades 7 Miminum Aperture f22 Minimum Focusing Distance 24 cm / 9.4 in Maximum Magnifications 01:07.8 Dimensions 75x105.7 mm/3.0x4.2 in (Diameter x Length) Weight 555g / 19.6oz.