Steven Desjardins wrote: >On Fri, Dec 31, 2010 at 2:31 PM, mike wilson <m.9.wil...@ntlworld.com> wrote: >> On 31/12/2010, Godfrey DiGiorgi <gdigio...@gmail.com> wrote: >>> edge definition >> >> As good a definition [8-)]as you need for most things. >> >IIRC, it can be casually thought of as how (fast) an edge goes from dark >to light, hence the connection to edge definition.
That's it. Acutance is the rate of change between the two sides that form an edge. Resolution is the number of edges you can put in a given space. Sharpness is a combination of both characteristics. http://www.luminous-landscape.com/tutorials/understanding-series/lens-contrast.shtml http://www.luminous-landscape.com/tutorials/sharpness.shtml -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
