| Focal Length | 12 to 24mm |
| Maximum Aperture | f/5.6 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon RF |
| Lens Format Coverage | Full-Frame |
| Angle of View | 84° to 121.9° |
| Minimum Focus Distance | 5.9" / 15 cm |
| Maximum Magnification | 0.4x |
| Optical Design | 15 Elements in 11 Groups |
| Diaphragm Blades | 5 |
| Focus Type | Manual Focus |
| Image Stabilization | No |
| Filter Size | 77 mm (Front) |
| Dimensions (ø x L) | 2.7 x 3.6" / 69.4 x 91.6 mm |
| Weight | 17.5 oz / 497 g |
| Package Weight | 2.03 lb |
| Box Dimensions (LxWxH) | 7.3 x 5.4 x 4.4" |