Sigma 24mm F1.4 DG HSM Art Lens For Canon EF-Mount

* Large aperture wide-angle lens * Performance similar to 35mm F1.4 Art & 50mm F1.4 Art * FLD and SLD glass elements to reduce distortion and chromatic aberration * Art Lens Engineered for those who see photography as a critical expression of self, our Art line offers sophisticated optical performance and abundant expressive power to deliver faithfully on your artistic vision. * DG For Digital Designed to deliver the ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out the best in 35mm SLR film cameras and APS-C size DLSRs. * USB Dock Compatibility Sigma has developed special software (SIGMA Optimization Pro) that can update the lens firmware and adjust parameters such as focus and full-time manual focus function. *USB Dock is sold separately. *USB Dock is sold separately. * Large aperture wide-angle lens * Performance similar to 35mm F1.4 Art & 50mm F1.4 Art * FLD and SLD glass elements to reduce distortion and chromatic aberration * Art Lens Engineered for those who see phot...