EF100-400mm f/4.5-5.6L IS II 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) | 0.98/3.2 |
| Construction (Groups Elements) | 16-21 |
| Diameter x Length (mm) (Approx.) | 94 x 193 |
| Distance Scale | o |
| Drive System | Focusing cam system by ring USM drive |
| Filter Size (mm) | 77 |
| Max. Magnification (x) | 0.31 |
| Min. Aperture | 32~40 |
| No. of Diaphragm Blades | 9 |
| Anti-dust and Moisture | Supported |
| Weight (g) (Approx.) | 1570 |
| Accessories (Lens Cap) | E-77 II |
| Accessories (Lens Hood) | ET-83D |
| Accessories (Lens Bag) | LZ1326 |