| Focal Length Range | 100 - 400 mm |
| Lens structure (elements/groups) | 21/16 |
| Closest focusing distance | 38.6" |
| Number of diaphragm blades | 9 |
| AF actuator | USM |
| Filter size | 3.03" |
| Minimum aperture number | 4.5 |
| Maximum aperture number | 40 |
| Aperture range (F-F) | 4.5 - 5.6 |
| Maximum magnification | 0.31 x |
| Lens type | Telephoto lens |
| Lens hood | Y |
| Lens viewing angle, diagonal | 24 - 6.1 ° |
| Lens viewing angle, horizontal | 20 ° |
| Lens viewing angle, vertical | 14 ° |
| Diameter | 3.7" |
| Weight | 3.62 lbs |
| Length | 7.6" |
| Auto focus | Y |
| Lens mount interface | Canon EF |
| Image stabilizer | Y |
| Focus adjustment | Auto |
| Product color | Black, White |
| Component for | SLR |