| Focal Length |
400mm |
| Aperture |
Maximum: f/2.8
Minimum: f/32 |
| Camera Mount Type |
Canon EF |
| Format Compatibility |
35mm Film / Full-Frame Digital Sensor |
| Angle of View |
6° 10' |
| Minimum Focus Distance |
8.86' (2.7 m) |
| Magnification |
0.17x |
| Maximum Reproduction Ratio |
1:5.8 |
| Elements/Groups |
16 / 12 |
| Diaphragm Blades |
9, Rounded |
