maddoc
... likes film again.
How about those cameras that unwind the unexposed film on to the spool first and then run backwards so that the exposed ones go into the cassette as you shoot? Just stop after frame 24 or 36, expose another frame and open the back in a changing bag, perhaps...
Regards, David
The XPAN works like that. However, it does not have the option of leaving the film leader out. The HEXAR RF did.