On 29 Jan 2006 at 10:03, Niko Koskela wrote:

> I have built a shutter speed tester like this one:  
> http://davidrichert.com/sound_card_shutter_tester.htm

> Can“t help with measuring the DSLR shutter testing, which was the 
> original topic...

The set-up above could be used to roughly test a DSLR shutter too. Using a LED 
with a narrow dispersion angle pointed at the shutter through the lens mount 
but not perpendicular to it and setting up the photo sensor to catch the light 
reflected off the sensor glass when the shutter was open should do it. Though 
I'm not sure why it would be necessary as the shutter is obviously 
electronically timed and any errors will be noticeable in images produced.


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998


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