Found it - thanks Mark! I will do a careful read. http://theonlinephotographer.typepad.com/the_online_photographer/2009/06/depthoffield-hell.html
stan On Mar 7, 2015, at 11:38 AM, Mark Roberts <[email protected]> wrote: > Bob Sullivan wrote: > >> Stan, >> The Physics escapes me right now, but maybe Mark Cassino will chime in. >> He really drove home the point some time ago when he talked about >> using a tiny sensor P&S for bugs. > > Ctein explained this in a couple of columns on the Online > Photographer. Try searching there and you'll come up with the > information. > > -- > Mark Roberts - Photography & Multimedia > www.robertstech.com > > > > > > -- > 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. -- 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.

