Thank you very much for your informative answer. I still have my complete darkroom, however not used since about 2000, so I intend to develop myself. I plan to scan the negatives on an Epson flatbed skanner. I think the question for me now is to find the system that gives me negatives that are sharp enough å from egde to edge. I still have my Bronica S2a, with 75mm Nikkor, and a 135 Nikkor. However, I suspect that the focal plane shutter make long exposure not possible due to camera vibrations. I belive that leaf shutter systems are better. However, my knowledge on lens quality of the later Mamiya, Bronica, Fuji systems is zero!