| Focal Length | 20mm |
| Maximum Aperture | f/4 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon RF |
| Lens Format Coverage | Full-Frame |
| Angle of View | 94.4° |
| Tilt-Shift | +/- 11 mm Shift |
| Minimum Focus Distance | 9.8" / 25 cm |
| Maximum Magnification | 0.17x |
| Optical Design | 16 Elements in 11 Groups |
| Diaphragm Blades | 14 |
| Focus Type | Manual Focus |
| Filter Size | 82 mm (Front) |
| Dimensions (ø x L) | 3.7 x 3.6" / 95 x 91 mm |
| Weight | 26.3 oz / 747 g |
| Package Weight | 3.04 lb |
| Box Dimensions (LxWxH) | 9.2 x 5.6 x 5.2" |