Canon EOS 90D Instruction Manual page 869

EF200-400mm f/4L IS USM
Extender 1.4x:
With built-in Ext. 1.4x
+ Extender EF1.4x I/II/III
EF200-400mm f/4L IS USM
Extender 1.4x + Extender EF2x I/II
EF200-400mm f/4L IS USM
Extender 1.4x + Extender EF2x III
TS-E17mm f/4L
TS-E24mm f/3.5L
TS-E24mm f/3.5L II
TS-E45mm f/2.8
TS-E50mm f/2.8L Macro
TS-E90mm f/2.8
TS-E90mm f/2.8L Macro
TS-E135mm f/4L Macro
If Extender EF2x (I/II/III) is attached to the EF180mm f/3.5L Macro USM lens,
o
AF is not possible.
When using a lens and Extender EF1.4x III/EF2x III in a combination marked
o
with an asterisk "*" or a lens and extender in a combination marked with two
asterisks "**", precise focus may not be achieved with AF. In this case, refer to
the Instruction Manual of the lens or extender used.
If you use a TS-E lens, manual focusing is required. The group classifi cation
o
of TS-E lenses applies only when you do not use the tilt or shift function.
Some lenses may not be available in certain countries or regions.
o
H (f/8)
H (f/8)
G (f/8)
B
B
B
A
B
A
B
B
Lenses and Usable AF Points
11