The following lenses are compatible with the EF 1.4x II and EF 2x II extenders:
- EF 70-200mm f/2.8L
- EF 70-200mm f/2.8L IS
- EF 70-200mm f/4L
- EF 100-400mm f/4.5-5.6L
- EF 135mm f/2L
- EF 180mm f/3.5L Macro
- EF 200mm f/1.8L
- EF 200mm f/2.8L
- EF 300mm f/2.8L IS
- EF 300mm f/4L
- EF 300mm f/4L IS
- EF 400mm f/2.8L IS
- EF 400mm f/4 DO
- EF 400mm f/5.6L
- EF 500mm f/4.5L IS
- EF 600mm f/4L IS
- EF 1200mm f/5.6L