Solution
The availability of AF when an extender lens is mounted is shown below.
AF Area Selection Mode | Type of extender | AF availability |
---|---|---|
All (Except Center) | EXTENDER EF 1.4x | 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 1.4x II | ||
EXTENDER EF 1.4x III | ||
EXTENDER EF 2x | When any of the extenders shown to the left are mounted on a lens with a maximum aperture darker than 2.8, AF cannot be used. | |
EXTENDER EF 2x II | ||
EXTENDER EF 2x III | ||
Center | EXTENDER EF 1.4x | When any of the extenders shown to the left are mounted on a lens with a maximum aperture darker than 2, AF cannot be used. |
EXTENDER EF 1.4x II | ||
EXTENDER EF 1.4x III | ||
EXTENDER EF 2x | When any of the extenders shown to the left are mounted on a lens with a maximum aperture darker than 1.4, AF cannot be used. | |
EXTENDER EF 2x II | ||
EXTENDER EF 2x III |