Originally Posted by
Cletus
For those who haven't heard - some clever fella in Germany (I think) came up with a very handy and effective iPhone app called "Shutter-Speed" available in the App Store. There's also a little accessory CDS cell that plugs into the phone's headphone jack, which makes a pretty good tool even better. The tester app works fine without the accessory plug, but it helps to have it for the faster speeds on newer shutters.
I can't seem to find the link at the moment, but you should be able to search the App Store, which has (or at least had) a link to the Ebay listing for accessory.
I have this app and it's easy, accurate as far as I ran tell and probably as good as the rare as hen's teeth Calumet Shutter Tester for 1/4 the price. Check it out. I don't know how many people have lathes and 78rpm record players laying around these days - this is a little more 21st Century solution anyway.
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