| Focal Length | 800mm |
| Maximum Aperture | f/5.6 |
| Minimum Aperture | f/64 |
| Lens Mount | Canon RF |
| Lens Format Coverage | Full-Frame |
| Angle of View | 3° 5' |
| Minimum Focus Distance | 8.5' / 2.6 m |
| Maximum Magnification | 0.34x |
| Optical Design | 26 Elements in 18 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | Yes |
| Tripod Collar | Fixed and Rotating |
| Filter Size | 52 mm (Drop-In) |
| Dimensions (ø x L) | 6.4 x 17" / 163 x 432 mm |
| Weight | 6.9 lb / 3140 g |