Sigma lens for Canon USM F/3.5-4.5 10-22mm EF-S Canon Ultra Wide-Angle Lens Used for photographing landscapes and large landmarks, and also used for real estate photography thanks to its wide angle that enables the photographer to capture large areas from a short distance. The lens is designed for Canon cameras with APS-C size sensors, noting that it can be used with Canon mirrorless cameras via an adapter. The lens is clean and free of scratches.