dongyun_hao1 Posted March 27, 2000 Share Posted March 27, 2000 I bought a Linhof-Sch. Xenar 105mm/3.5 lens which is mounted onto a Syncro-Compur shutter. The lens works reasonably fine for me with all the speeds appearing to be right on, except the shutter speed setting from 250" moving to 500" where the moving ring is really tight and hard. It looks to me that this kind of old shutter is driven by spring mechanism to decide the speeds, so that the higher speed might need greater spring tension making the setting there harder than the slower speeds. Am I correct? Can anyone outthere convince me if this is a problem or the nature of this kind of shutter? If it is a problem, is there simple way to DIY than seeing a repair? Thanks in advance! <p> Dongyun Link to comment Share on other sites More sharing options...
janez_pelko Posted March 28, 2000 Share Posted March 28, 2000 I have the same lens and also some other Linhof Schneider lenses with same type of shutter. They all work the same way as your so don't worry. Once I opened one of those shutters and there is a separete spring just for 1/500 and it is indeed very tight. Link to comment Share on other sites More sharing options...
doremus_scudder1 Posted March 28, 2000 Share Posted March 28, 2000 Don't repair it, it's not broken. The spring has to be pretty stiff to give you the 1/500 speed. You probably won't use the top speed that much anyway. Regards, ;^D) Link to comment Share on other sites More sharing options...
pete_andrews Posted March 28, 2000 Share Posted March 28, 2000 Just to say that I'm in total agreement with the previous post. Many shutters, not just the early Compurs, use the simple "trick" of adding extra spring tension to get the top speed. With some shutters the extra effort needed to cock the shutter or move the dial from 1/250th to 1/500th is more noticeable than others. It's nothing to worry about. Link to comment Share on other sites More sharing options...
chauncey_l._walden Posted March 28, 2000 Share Posted March 28, 2000 Just be sure to set the 500 before cocking the shutter, and, if you should change your mind about the shutter speed, release the shutter before changing the speed. Link to comment Share on other sites More sharing options...
dongyun_hao1 Posted March 29, 2000 Author Share Posted March 29, 2000 Thank you all for your invaluable guidance which peaces my mind! <p> Dongyun Link to comment Share on other sites More sharing options...
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