| Focal Length | 28mm |
| Maximum Aperture | f/1.4 |
| Minimum Aperture | f/16 |
| Lens Mount | Canon EF |
| Format Compatibility | Full-Frame |
| Angle of View | 75.4° |
| Maximum Magnification | 0.185x |
| Minimum Focus Distance | 11.02" / 28 cm |
| Optical Design | 17 Elements in 12 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | None |
| Filter Size | 77 mm (Front) |
| Dimensions (ø x L) | 3.3 x 4.2" / 82.8 x 107.7 mm |