I have recently gotten my hands on 3 lenses for my Speed, and also tightened up my focal plane shutter…and now need to test the speeds on them. The faster speeds usually hold up well (from what I read) but the slower speeds…are suspect. For example only one of them has a 1sec setting that takes about a second to open and close. I would ideally like to test all the speeds so I know what I’m dealing with before I waste too much film.
My plan was to set up a still life with lights and take careful notes while running thru lots of film. This, while setting up my digicam next to it to match settings for comparison.
A lot of work and film!
Edit: just found this…anybody have one, use one, recommend it?
https://www.catlabs.info/product/pho...r-speed-tester
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