Mark, I think you have the most plausible theory so far. It looks like the beat frequency effect sounds! AZ Build a 120/35mm Lookaround! The Lookaround Book. Now an E-book. http://www.panoramacamera.us > -------- Original Message -------- > Subject: [SPAM] RE: Image artifact solution sought > From: Mark Lent <mlent@xxxxxxxxxxx> > Date: Thu, September 25, 2008 7:24 am > To: List for Photo/Imaging Educators - Professionals - Students > <photoforum@xxxxxxxxxxxxxxxxxx> > wow, that's cool -- looks like a beat frequency between the propeller and > the clock rate of the CCD in the camera. So it recorded the propeller > multiple times in multiple positions... > Cordially, > Mark Lent
