http://24.0.232.44/cunningham/Tech/Shutter/ShutterTest.html I'm going to do this in the next few weeks as well. Looks fun and useful. - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .