11. Extension Tubes (Sold separately)
You can attach Extension Tube EF12 II or EF25 II for magnified shots. The shooting distance and magnification are shown below.
EF135mm f/2L USM
| Magnification | |||
| Distance (mm) | |||
|
|
| ||
| Near | Far | Near | Far |
EF12 II | 691 | 1661 | 0.29⋅ | 0.09⋅ |
EF25 II | 579 | 883 | 0.41⋅ | 0.20⋅ |
EF300mm f/4L USM
| Magnification | |||
| Distance (mm) | |||
|
|
| ||
| Near | Far | Near | Far |
EF12 II | 1986 | 7786 | 0.18⋅ | 0.04⋅ |
EF25 II | 1661 | 3925 | 0.24⋅ | 0.09⋅ |
EF200mm f/2.8L II USM
| Magnification | |||
| Distance (mm) | |||
|
|
| ||
| Near | Far | Near | Far |
EF12 II | 1169 | 3284 | 0.23⋅ | 0.06⋅ |
EF25 II | 977 | 1801 | 0.32⋅ | 0.14⋅ |
EF400mm f/5.6L USM
| Magnification | |||
| Distance (mm) | |||
|
|
| ||
| Near | Far | Near | Far |
EF12 II | 2893 | 13449 | 0.16⋅ | 0.03⋅ |
EF25 II | 2460 | 6610 | 0.21⋅ | 0.07⋅ |
Manual focusing is recommended for accurate focusing.