On Jun 15, 2006, at 5:21 PM, Don Sanderson wrote: > Thanks, that's what I _thought_ it meant! ;-) > Visual acuity, or, the amount of visible detail in a photo > would be practical terms for it.
Well, spatial resolution is certainly related to visual acuity (acutance more precisely, I think) but SR is an image property independent of perception and VA has to take perception into account. A lot of seeming sharpness in a photography comes from how well our eye/brain recognizes and follows edges, not from actual resolution. > You're explanations are very good, even though complex for a novice. > Have you taught mathmatics somewhere? My degree is in Mathematics; I taught the subject as part of my college course work for two years. But I think I got a lot of practice explaining complex topics like this during the years I spent doing engineering support to the third party development community at Apple Developer Relations. Godfrey -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

