Something like this? <http://www.rit.edu/~andpph/text-calibrating-shutters.html>
Dave On 1/29/06, William Robb <[EMAIL PROTECTED]> wrote: > > ----- Original Message ----- > From: "Jack Davis" > Subject: Digital Shutter Speed Tester > > > >I freely check the accuracy of shutter speeds with my own tester. It > > has caused me to send bodies to Pentax for repair a couple times. > > Obviously, I must remove the lens and open the back to allow the test > > beam access to the shutter. How could a DSLR shutter be tested? > > I used to know how to test shutter speeds using a picture taken of a > television screen, but I forget how. Something about counting the distance > between scan lines or some such. > Perhaps this will remind someone of how to do it. > > William Robb > > >
