At any fstop smaller than wide open, especially Smaller fstops like f11/f16 you lose a lot of light Reaching to the meter and eventually as the light Gets lower like than you will lose metering accuracy And lose metering completely where you don't with Wide open metering because there is much more light Reaching the metering cells. DUH. jco
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of William Robb Sent: Sunday, October 22, 2006 11:50 AM To: Pentax-Discuss Mail List Subject: Re: The JCO survey ----- Original Message ----- From: "Shel Belinkoff" Subject: RE: The JCO survey > No they're not. Push the GB and the lens and camera communicate, the > aperture is recorded and exposure info is calculated, shutter speed is > adjusted. The camera and lens just communicate differently. Plus, by > activating the DOF button, the camera provides a read out in the > viewfinder > of how much over/under the exposure is. That's more than some film > bodies > delivered. Also, an absolute light value is delivered to the meter. There are fewer mechanical parts contributing to exposure error. William Robb -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net