Canon EOS 5Ds Instruction Manual page 108

Lenses and Usable AF Points
TS-E17mm f/4L
TS-E24mm f/3.5L
TS-E24mm f/3.5L II
TS-E45mm f/2.8
TS-E90mm f/2.8
When using a lens and an extender in the combination marked with *,
precise focus may not be achieved with AF. Refer to the instruction manual
of the lens or extender used.
Both "Extender EF1.4x" and "Extender EF2x" apply to all the I/II/III
models (under this grouping).
If you use a TS-E lens, manual focusing will be required. The lens group
designation of TS-E lenses applies only when you do not use tilt or shift
function.
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