Older cameras (and some newer ones) use mechanical shutters that creep out-of-spec over the years, so [Dean Segovis] built a handy shutter speed tester. With just a handful of basic components ...

Therefore the ESP32 based Shutter Tester has far greater functionality, including flash sync testing and camera diagnostics. The Arduino version is simpler to build, so those with limited experience ...

Buying old cameras is one of the best ways yet found ... How long is a split second anyway? You need a shutter speed tester, and luckily for us, [Stuart Brown] has one. There are no sharks ...

The shutter speed tester is a project which goal is to design and build a tool that allows to test the shutter speed accuracy of a film camera When people passionated with old film cameras want to use ...