Can I use AF when an extender lens is mounted? (EOS 6D)
Solution
The availability of AF when an extender lens is mounted is shown below.
| Type of extender | AF availability |
|---|---|
| EXTENDER EF 1.4x EXTENDER EF 1.4x II EXTENDER EF 1.4x III | When any of the extenders shown to the left are mounted on a lens with a maximum aperture darker than F4, AF cannot be used. |
| EXTENDER EF 2x EXTENDER EF 2x II EXTENDER EF 2x III | When any of the extenders shown to the left are mounted on a lens with a maximum aperture darker than F2.8, AF cannot be used. |