I have an Optar 90/6.8 here with the Graphex shutter with several synch options. Is it normal for this shutter for the blades to open somewhat slowly on the 1 second setting? They do not behave like they are oily because they open just fine on every other speed 1/2-1/400.
Also, what is the lever for that presses in? Seems to open the shutter if its already cocked but am I using it wrong. Thought it might be for opening the shutter for focusing.
Any comments on the Optar wide angle lens? Basically equivalent to a Schneider Angulon?
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