I agree, Andre, Canon only entered the serious pro market in '71 with it's F-1, so surely one can't say that Pentax lost that much by staying with m42 throughout the '60's.
Screwmount only became a "problem" with the advent of open-aperture metering, as it became difficult of properly align the lens for that purpose with screwmount. regards, frank Andre Langevin wrote: > It would have helped to have come out with bayonnet mount 3 or 4 > years earlier, but 10 years? I don't think so. Until the end of the > sixties, screw mounting was not seen as a problem. > -- "The optimist thinks this is the best of all possible worlds. The pessimist fears it is true." -J. Robert Oppenheimer
