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Author Message   Rick_oleson Tinkerer Username: Rick_oleson Post Number: 920 Registered: 07-2006 Rating: N/A Votes: 0 Posted on Thursday, June 18, 2009 - 03:52 pm:    In most shutters of this type, you can adjust the speeds by loosening the screw at one end of the escapement assembly and sliding the assembly a bit sideways, either closer to or farther from the lens. Some have a slotted hole, in some it's just a little oversized to permit some movement. Having said that, 1/4 to 1/5 second slow at the 1 second setting is not really out of spec.