...if the EOS R really isn't going to allow me to stick with software I am comfortable with and don't need to have a fixed expense each month to use).
Just so it's clear, you can still use your legacy LR if you're willing to convert your files using Adobe's free DNG converter (which can be used in or out of LR).
Letting the software rule your camera choice is not the right answer either.
Right- Hopefully no one thinks that's a necessary consideration.







