On Wed, 2014-09-24 at 09:19 -0400, Sean Breheny wrote: > I thought that most scope cameras were triggered by the scope sweep (the > only one I ever used was, and I've often seen contacts for this purpose o= n > the bezel around older scope screens). Guess I'm an old timer here, but mine never had those contacts, so it was basically dark room, small aperture, brightness high on the scope, open the shutter, trigger, close the shutter (with a cable release). Worked well enough. TTYL --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .