I have a Seiko shutter than I am in the process of repairing that is attached to a very fine Fujinon-SW 90/8 lens. The shutter has no self timer gearing which I think also means no M-synch. There is no T speed on the shutter.
Besides the cocking, release and aperture lever there is another that is unlabeled and is attached to the pallet arm side of the slow speed escapement. It seems to have two click stops and is spring loaded beyond one of the click stops.
What is this lever used for? The shutter is not operative at the moment due to sticky leaves so can somebody fill me in?
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