> 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. >
This is the bit that's wrong: > and that the physical manifestation of this on a digital sensor was a > pixel. > Bob -- 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.
