| Focal Length | 100 to 300mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Canon RF |
| Lens Format Coverage | Full-Frame |
| Angle of View | 24° to 8° 15' |
| Minimum Focus Distance | 5.9' / 1.8 m |
| Maximum Magnification | 0.06 to 0.16x |
| Optical Design | 23 Elements in 18 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | Yes |
| Tripod Collar | Fixed and Rotating |
| Filter Size | 112 mm (Front) |
| Dimensions (ø x L) | 5 x 12.7" / 128 x 323.4 mm |
| Weight | 5.7 lb / 2590 g |