On Fri, Dec 31, 2010 at 11:01 PM, Boris Liberman <[email protected]> wrote: > On 12/31/2010 9:58 PM, Godfrey DiGiorgi wrote: >> >> Not quite ... at least our use of words in explanation differs. I'll >> bulletize: >> >> - I use the term sharpness to indicate a quality I perceive an image >> to have, using my eyes to judge with, not a measuring instrument. >> >> - I use the term actuance to indicate a measured resolution of a >> recorded photograph. It is always the observed resolution of an actual >> photograph and is synonymous with resolution in that sense. >> >> - I use the term resolution to indicate the calculated or theoretical >> capability for detail in a medium, usually. It can also be used to >> refer to the measured, observed detail of a specific photograph in >> which case it is the same as actuance. >> >> Is that clearer to you? > > Only partially. > > It is then that LR control called "clarity" should have direct effect on > acutance of an image either displayed to you or printed, right?
Clarity has nothing to do with actuance. Clarity is a 'smart' mid-tone contrast adjustment tool. -- Godfrey godfreydigiorgi.posterous.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.
