I've got a Schneider Kreuznach Super Angulon 90m pm f8 with an old Copal 0 shutter - no T setting and no preview lever. Is it possible to swap this for a more modern shutter? How would I go about making sure that the aperture is correct for the lens - would it need to be taken from an identical donor lens - ie of I wanted a more modern shutter should I just look for a lens with a more modern shutter already fitted (or a busted up lens with a decent shutter I guess..?)

My new to me Symar-S with a much more modern shutter has spoiled me...

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