Extenders
Use an extender EF1.4x III or EF2x III to shoot a larger image of a subject. Lens specifications when using an extender are as follows.
| |
EF1.4x III |
EF2x III |
| Focal length (mm) |
840 |
1200 |
| Aperture |
f/5.6 - 45 |
f/8 - 64 |
| Angle of View |
Horizontal |
2° 30' |
1° 40' |
| Vertical |
1° 40' |
1° 10' |
| Diagonal |
3° |
2° |
| Maximum magnification (X) |
0.21 |
0.31 |
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- Attach the extender to the lens, and then attach the camera. To detach it, reverse the order. Errors may occur if you attach the extender to the camera first.
- Extenders cannot be used more than one at a time.
- If using an extender EF2x III, the maximum aperture is then f/8 and cameras that can shoot using AF are limited. Please refer to the camera's instructions for details.
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- When an Extender is attached, the AF speed will become slower to retain proper control.
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