Sigma 35mm f/1.4 DG HSM Art Lens for Canon DSLR Cameras - 340101

Short Description Aperture Range: f/1.4-16 Hyper Sonic Motor (HSM) Floating Internal Focus System Minimum Focusing Distance: 11.8" Anti-Flare Super Multi-Layer Coating Special & "F" Low Dispersion Elements Front Filter Thread Diameter: 67mm 9x Circular Aperture Blades Compatible with Sigma USB Dock   In The Box Front Lens Cap Rear Lens Cap Lens Hood Carrying Case Limited 1-Year Seller Warranty   Long Description An optically advanced wide-angle prime, the Canon EF 35mm f/1.4 DG HSM Art Lens from Sigma mixes a comfortable focal length with an especially fast design. The bright 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 layout incorporates both low dispersion and aspherical elements, which help to improve sharpness and clarity by controlling both spherical and chromatic aberrations. A floating elements system is also used to maintain