Canon EF 11-24mm f/4L USM

Canon users now have access to the widest angle of view yet achieved for a rectilinear full-frame DSLR zoom lens. With a minimum focusing distance of 11 inches (28cm), the Canon EF 11-24mm f/4L USM delivers minimally distorted images throughout its range. It is constructed of 16 elements in 11 groups with a three-group zoom system and rear focus. The new design incorporates four aspherical elements to minimize distortion from the centre to the frame edge and an optical array that provides straight lines with minimal curvature throughout the entire range. The lens also features one Super UD and one UD lens element to significantly reduce chromatic aberration and Canon’s SWC coating to reduce flare and ghosting. It is well sealed for dust and water resistance and allows for manual focusing overrides even when in AF mode.