Sigma 40mm f/1.4 DG HSM Art Lens for Canon EF - 332954

Short Description EF-Mount Lens/Full-Frame FormatAperture Range: f/1.4 to f/16Three FLD Elements, Three SLD ElementsOne Aspherical ElementSuper Multi-Layer CoatingHyper Sonic AF Motor, Manual OverrideWeather-Sealed, Protective Front CoatingRounded 9-Blade DiaphragmCompatible with Sigma USB Dock   In The Box Sigma 40mm f/1.4 DG HSM Art Lens for Canon EF LCF-82 III 82mm Lens Cap Rear Cap LCR II for Canon EF Mount Lenses LH878-01 Lens Hood Lens Case Limited 1-Year Seller Warranty   Long Description Designed within the rigorous tolerances of a cine lens, the Canon EF-mount Sigma 40mm f/1.4 DG HSM Art Lens is a wide normal-length lens characterized by a bright design and sophisticated optical layout. The fast f/1.4 maximum aperture helps to achieve shallow depth of field and selective focus effects, and also suits working in difficult lighting conditions. The optical design incorporates a series of low dispersion and aspherical elements, which help to improve sh