EF100-400mm f/4.5-5.6L IS USM
| Angle of View (Diagonal) | 24°~6°10' |
| Angle of View (Horizontal) | 20°~5°10' |
| Angle of View (Vertical) | 14°~3°30' |
| Closest Focusing Distance (m, ft) | 1.8/5.9 |
| Construction (Groups Elements) | 14-17 |
| Diameter x Length (mm) (Approx.) | 92 x 189 |
| Distance Scale | o |
| Drive System | Ring-type USM |
| Filter Size (mm) | 77 |
| Max. Magnification (x) | 0.2 |
| Min. Aperture | 32~38 |
| No. of Diaphragm Blades | 8 |
| Anti-dust and Moisture | Not Supported |
| Weight (g) (Approx.) | 1380 |