On Mon, Apr 06, 2009 at 10:51:37PM +0100, Bob W wrote: > > Ah. Thanks. Focal length is second order factor, circle of confusion > > is first order, so focal length has a greater effect on DOF, than > > CoC (pixel size). > > > > Circle of confusion is not pixel size.
I misunderstood it then. I always thought that the circle of confusion represented the smallest area that could be resolved. That anything between a mathematical point and the CoC resolves to the same size, and that the physical manifestation of this on a digital sensor was a pixel. -- The fastest way to get your question answered on the net is to post the wrong answer. Larry Colen [email protected] http://www.red4est.com/lrc -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
