Problem is I have the FACTS on my side. To say format or print size effects DOF is wrong. Its in camera magnification and f-stop that effects DOF. All those other things are total non factors.
JC O'Connell [EMAIL PROTECTED] -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bob Sullivan Sent: Friday, November 14, 2008 12:31 PM To: [EMAIL PROTECTED]; PDML Subject: Re: FA 1.4/50mm tested by DPReview Matthew, Listen to Bill Robb. Lots of us have blocked posts from JC O'Connell. Other, moderated lists have kicked him out for his boorish behavior. He never gives in, right or wrong, and always has to have the last word, IN CAPS!!! Don't wrestle in the mud with pigs. You'll get dirty and they like it. Regards, Bob S. On Fri, Nov 14, 2008 at 8:32 AM, Matthew Hunt <[EMAIL PROTECTED]> wrote: > On Fri, Nov 14, 2008 at 8:27 AM, JC OConnell <[EMAIL PROTECTED]> > wrote: > >> WRONG, FORMAT HAS NOTHING TO WITH DOF WHICH IS A FUNDAMENTAL IMAGE >> PROPERTY. DOF IS DETERMINED BY MAGNIFICATION AND F-STOP, FORMAT AND >> PRINT SIZE HAS NOTHING TO DO WITH DOF WHICH IS RELATIVE SHARPNESS OF >> FOREGROUND AND BACKGROUND >> COMPARED TO PLANE OF FOCUS. > > Well, all I have on my side is a couple of degrees in physics, > experience teaching optics labs, references to Kodak literature and > textbooks. Since you have a full quiver of capital letters, you must > be right. > > -- > 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. -- 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.
