On 31/12/2013 11:05 AM, steve harley wrote:
this measure has value if you understand its limits; a simple counterexample is a subject in front of a foliage background - if your AF misses the subject and focuses on the foliage, the JPEG will have lots of _undesired_ fine detail and thus it will be less compressible
So one could use it for determining degree of back focus....... bill -- 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.

