Compact and powerful, the Sigma 10-18mm f/2.8 DC DN Contemporary Lens is perfect for travelers, vloggers, and family photographers looking for excellent image quality as well as mobility. With its f/2.8 maximum aperture and 7-blade diaphragm, pleasant bokeh and strong low-light performance is ensured. APS-C Format | f/2.8 to f/22 15-27mm (Full-Frame Equivalent) Ultra Wide-Angle Zoom Fast Internal Focus System …