----- Original Message ----- From: "Mark Roberts" Subject: Re: Sigma 600mm f/8.0 Mirror Lens Sample Photos and Specifications
>> >>Sharp is defined as having high resolution. > > "sharpness" is really a combination of resolution and acutance. > I knew that. William Robb -- 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.

