Canon EF 35mm f/1.4L USM AutoFocus Wide Angle Lens       

L-series professional f/1.4 wide-angle lens with an aspherical lens element to correct aberrations. The floating system enables high picture quality to be obtained over the entire focusing range. Autofocusing is quick and quiet with rear focusing and ring USM. Full-time manual focusing is also possible.

Specifications
Construction 9 groups / 11 elements
Angle of view 63°
F stop range 1.4-22
Closest Focusing Distance 0.3m / 1ft.
Maximum Magnification 1:5.5
Filter Size 72mm
Dimensions (Length x Diameter) 3.1" x 3.4" / 79.0 x 86.0mm