Description of 📷 Sigma 10-20mm f/4-5.6 EX DC HSM Lens for Canon DSLR Cameras: A Powerful Photographic Tool for Expansive Perspectives
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.