Experience professional-grade photography with the Sigma Beauty lens, featuring a sleek black design and exceptional performance for capturing stunning images. Brand Sigma Focal Length Description 10-20 millimeters Lens Type Wide Angle Compatible Mountings Canon EF-S Camera Lens Description 13 Elements in 10 Groups Maximum Focal Length 20 Millimeters 10-20mm focal length 15-30mm equivalent focal length on APS-C cameras, 20-40mm equivalent focal length on Four Thirds / Micro Four Thirds cameras, 16-32mm equivalent focal length on Canon APS-C cameras F4-5.6 maximum aperture; F22-32 minimum Ring-type ultrasonic-type AF motor with full-time manual focusing 77mm filters 0.24m/9.45" minimum focus Available in Canon EF, Four Thirds, Pentax KAF, Sony Alpha, Sigma SA, Nikon F (DX) mounts Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.