Shutter Timers

[Polybun]

I just purchased "Electronic Projects for Photographers" from Hollywood Camera here in Portland for $2. I should have my tester built by the end of day friday

[Chan Tran]

The oscilloscope works very well even with old analog units. If you have good sensor, an old analog scope can measure the time with 1/10 stop accuracy. What you need when using this approach is to find a sensor that has a smalle enough detection surface and has fast enough response.