| Name |
Canon EF 400mm f/2.8L IS USM |
| Image Circle |
35mm |
| Type |
Telephoto Prime |
| Focal Length |
400mm |
| APS Equivalent |
640mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/32 |
| Diaphragm Blades |
8 |
| Lens Construction |
17 elements in 13 groups, including 1 flourite and 2 UD elements |
| Diagonal Angle of View(Based on image circle) |
6.2 degrees |
| Focus Details |
Inner focusing; full-time manual focus and USM |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
3m / 9.8 ft. |
| Magnification Ratio |
0.15x / 1:6.7 |
| Filter Size |
52mm Drop In |
| Dimensions(Length x Diameter) |
349mm x 163mm / 13.7 in. x 6.4 in. |
| Weight |
5.37kg / 11.8 lb |
| Notes |
Image Stabilization |
| Typical Online Price |
US$6500 |
