EOS R5 Mark II compatibility with EF 100-400mm lens and 1.4x teleconverter

[ptornetta]

hi. i just moved to an R5 mk II.  i have been using a d6 mk II. with 1.4 twleconverter and ef 100-400 4.5-5.6.  is this lens and tweeconverter combination. compatible with the new R5 II using the EF to RF adaptor?  i cannot find this info and don’t want to drop 3k on new glass if not necessary.   thank you!

[deebatman316]

Yes it will work. It will require the EF teleconverter. It will go EF-RF Mount Adapter > Teleconverter > lens.

[ptornetta]

thank you!