Johnwy Posted March 9, 2021 Share #1 Posted March 9, 2021 Advertisement (gone after registration) When I use a one-thousandth shutter, these nasty black line marks will appear in the same position in picture. Is the problem of high-speed shutter ? Can it be solved by adjusting the shutter curtain tension? The film has been checked, it is not a problem with processing and scanning. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/318724-leica-m4-2-shutter-problem/?do=findComment&comment=4156716'>More sharing options...
Advertisement Posted March 9, 2021 Posted March 9, 2021 Hi Johnwy, Take a look here Leica M4-2 shutter problem. I'm sure you'll find what you were looking for!
giannis Posted March 9, 2021 Share #2 Posted March 9, 2021 Probably some frayed threads at the shutter curtain. They might be millimetre long, but at top shutter speed, the shutter is just a narrow slit travelling along the film plane, so relative to that the frayed threads are "long". Effectively it's as if you have some small threads permanently in front of your film, the way the film sees it. Check the shutter curtain with a loop to find if it's that. I guess they can be removed by a technician without having to change the curtains, though it might be time to do that if they start fraying. 2 Link to post Share on other sites More sharing options...
Johnwy Posted March 10, 2021 Author Share #3 Posted March 10, 2021 Thank you Giannis, your answer is very helpful to me Link to post Share on other sites More sharing options...
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