Thanks for answering my question. I am going out to a local horticultural garden tomorrow morning at 7:30 a.m., and I'm going to do flower macros and am going to use them and see what happens.
Kathy ----- Original Message ----- From: "Pat White" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, August 01, 2003 8:43 PM Subject: Re: Disappointed - Pentax technicians couldn't answer extension tube question. > Kathy, if your lens is set to 'A' while it's on an extension tube, the > diaphragm will be at its minimum aperture, probably f22. If you take it off > 'A', when you press the shutter button, it will stop down to the aperture > you set . Until you press the shutter, it will remain wide open, for easier > viewing and focusing, just as it would when mounted directly on the body. > This is the Auto feature. > > To sum up, yes, the lens will use the aperture you set. The metering will > be centre-weighted. I'm not sure whether spot-metering is available, but > evaluative (multi-zone) is not. Now go take some pictures! > > Pat White > > >
