At 2/2/2010, you wrote: >You sparked a curious question in my mind. The retired science teacher part >of me came back to life. A bit of math. Traveling at 115 kph, the bike >would move about 3 cm in 1/1000 of a second. Since the wheel occupies maybe >1/4 of the vertical frame (vertical shutter) it would move about 0.75 cm >during the exposure. I don't think 0.75 cm would make a detectable >lengthening of the wheel, do you? > >This in no way detracts from the great shot, just, in my mind, casts doubt >as to the distortion effect seen. > >Aram Hi Aram! OK... so rain on my parade! ;-) I thought I might be on to something interesting ... but, after looking at your math, you are right. I concede... it's the angle. Cheers! --- David Young Logan Lake, Canada. Wildlife Photos: www.furnfeather.net Personal Website: www.main.furnfeather.net A micro-finance lender though http://www.kiva.org ------ Unsubscribe or change to/from Digest Mode at: http://www.lrflex.furnfeather.net/ Archives are at: //www.freelists.org/archives/leicareflex/