Extension Tubes (Sold Separately)
Use an extension tube EF12 II or EF25 II to get closer to a subject and shoot a larger image.
Lens specifications when using an extension tube are as follows.
EF12 II
|
Close distance |
Long distance |
Focusing distance range (mm) |
2192 |
13105 |
Magnification (x) |
0.22 |
0.03 |
EF25 II
|
Close distance |
Long distance |
Focusing distance range (mm) |
1946 |
6330 |
Magnification (x) |
0.30 |
0.07 |
![](/library/CANON/CITS_TECH_SUPPORT/Camera/Lenses/EF%20400mm%20F2.8L%20IS%20III%20USM/warning.png) |
- MF mode is recommended for accurate focusing.
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