| Name |
Canon EF 400mm f/2.8L IS III USM |
| Image Circle |
35mm |
| Type |
Telephoto Prime |
| Focal Length |
400mm |
| APS Equivalent |
640mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/32 |
| Diaphragm Blades |
9 (circular) |
| Lens Construction |
17 elements in 13 groups, including 2 fluorite elements and one super UD element; Super Spectra Coating (SSC); Air Sphere Coating (ASC); Fluorine coating on its front and rear surfaces |
| Diagonal Angle of View
(Based on image circle) |
6.2 degrees |
| Focus Details |
Inner focusing; full-time manual focus and Ring USM; Customizable Electronic Focusing Ring; 2 Focus Presets; |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
2.5m / 8.2 ft. |
| Magnification Ratio |
0.17x / 1:5.9 |
| Filter Size |
52mm Drop In |
| Dimensions(Length x Diameter) |
343mm x 163mm / 13.5 in. x 6.4 in. |
| Weight |
2.84kg / 6.26 lbs |
| Notes |
Image Stabilization (up to 5-stops of correction); Dust- and water-resistant construction; Detachable, rotatable tripod collar. |
| Typical Online Price |
US$12,000 (Available Dec. 2018) |
