This forum has been helpful in the past so I'll ask for more help. I have a Supermatic shutter that I do not know what all of the levers are for. Besides the cocking lever, shutter release and fstop lever there are two items on this shutter that I don't know the purpose. A small button near the cocking lever and below that a spring loaded knob. Are the any directions available for this shutter on-line some where?
Thanks>> kenn
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