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.
| Focal Length & Maximum Aperture | 35mm 1:1.4 |
| Lens Construction | 11 elements in 9 groups |
| Diagonal Angle of View | 63 |
| Focus Adjustment | Rear focusing system with USM |
| Closest Focusing Distance | 0.3m / 1 ft. |
| Filter Size | 72mm |
| Max. Diameter x Length, Weight | 3.1" x 3.4", 20.5 oz. / 79.0 x 86.0mm, 580g |