Just got a CF22 Multi-shot (not CFV). May I ask for my 203FE 1) do I need to modify the 203FE? 2) if I have not modified 203FE, can the two still be used together? 3) In particular, if I do not modify it, I think I can only use C setting and also only C lens for CF22? 4) Or I need to get 203FE fixed then I can use F lens and F setting as well. 5) If I do not have battery in my 203FE (and sort of like a C camera), can it still be used with the back 6) I assume I cannot use the multi-shot using 203fe 7) any experience of such backs on other camera? Thanks for any advice in advance.