EF400mm f/2.8L IS III USM
![](https://sg.canon/media/image/2018/09/05/8ddc7fc7f96a47d2b11552f6ab5d5d62_EF400mm+f2.8L+IS+III+USM.png)
Angle of View (Diagonal) | 6°10’ |
Angle of View (Horizontal) | 5°10’ |
Angle of View (Vertical) | 3°30’ |
Closest Focusing Distance (m, ft) | 2.5 / 8.20 |
Construction (Groups Elements) | 13-17 |
Diameter x Length (mm) (Approx.) | 163 x 343 |
Distance Scale | o |
Drive System | Ring-type USM |
Filter Size (mm) | 52 (Drop-in) |
Max. Magnification (x) | 0.17 |
Min. Aperture | 32 |
No. of Diaphragm Blades | 9 |
Anti-dust and Moisture | Supported |
Weight (g) (Approx.) | 2840 |