Larry, sorry... that can be easily looked up in the PDML archives, (that's how I am reading the list anyway), - as Godfrey posted only one response.
Here it is: http://www.a-p-s.org.au/pdfs/articles/macro.pdf As I wrote, - the interesting thing is the formalism for exposure at high magnifications (p13 of the PDF, p.12 of the paper). Igor Mon Jun 18 15:09:01 EDT 2012 Larry Colen wrote: On Jun 18, 2012, at 12:07 PM, Igor Roshchin wrote: > > > Thanks to all who responded. > > Special thanks to Godfrey for the link to the paper. > From that document, I learned an interesting thing related to the > exposure at high magnifications (p13 of the PDF, p.12 of the paper). > I've known that fact experimentally, but never thought about the exact > formalism behind it. Arrggh. You don't include either the original link, or any clue what that interesting thing is. -- 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.
