On Sun, 3 Sep 2006, cbwaters wrote: > ----- Original Message ----- > From: "Mark Roberts" <[EMAIL PROTECTED]> > To: "Pentax-Discuss Mail List" <[email protected]> > Sent: Sunday, September 03, 2006 7:39 PM > Subject: Re: MTF Program Line > > >> Scott Loveless wrote: >> >>> Hey, gang! I've been reading about MTF and I have a question. What >>> is the MTF program line for and why would I want to use it? There are >> >> Simple: When you're shooting with Programmed autoexposure set to the >> MTF line the camera sets both the aperture and shutter speed for you, >> but tries to keep the lens set at its sharpest aperture (which it >> knows from the chip built into Pentax F and FA series lenses). > > I thought that was a FA and later gizmo.
My MZ-S handbook agrees with you (I am sure Boz agrees too :-)). Interesting graph on this manual with the 24-90; when there is a lot of light the MTF jumps from 8 to 22/32 extremely fast. Kostas -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

