The Sigma 35mm f1.4 DG HSM Lens is a fast F1.4 aperture standard lens for digital cameras. Sigma has incorportaed it's Special Low Dispersion glass into the Sigma 30mm f1.4 EX DC HSM Lens as well as Extraordinary Low Dispersion glass elements which are used to keep the best possible correction for magnification and chromatic aberrations, which are usual problems for digital cameras.
The 30cm (11.8inch) minimum focusing distance of the Sigma 35mm f1.4 DG HSM Lens makes it a very versitile lens offering crisp image qaulity and edge to edge sharpness. The Hyper Sonic Motor give quiets, high-speed auto-focus shooting, as well as full-time manual focus override and the large maximum aperture of  F1.4 can perform superbly in a great range of applications, including snapshots, portraiture, indoor shooting and also landscape photography.