| • | Focal length and maximum aperture: 400mm 1:2.8 |
| • | Lens Construction (elements/groups): 17/13 |
| • | Diagonal Angle of View: 6°10' |
| • | Focus adjustment: Inner focusing system with USM |
| • | Closest Focusing Distance (m): 3 |
| • | Filter Diameter (mm): 52 Rear Drop-in |
