Sigma 10-20mm F3.5 EX DC HSM Lens - Canon EF Mount
The Canon fit Sigma 10-20mm F/3.5 EX DC HSM is a super wide-angle lens with maximum aperture of f/3.5 throughout the entire zoom range. It has 2 ELD glass elements and 1 SLD glass element which provide excellent correction of colour aberrations. 4 aspherical lenses provide correction for distortion and allow its compact and lightweight construction. It also features a hyper sonic motor which enables quiet and high speed auto focus. The Sigma 10-20mm F/3.5 EX DC HSM lens is designed for digital cameras with an APS-C sized sensor only.