William Robb wrote: > ----- Original Message ----- > From: "Glen Berry" > Subject: Disadvantage of no "A" setting on some manual lenses? > > > > >> What would be the >> disadvantage, for a DS user, to not having the "A" setting on the >> aperture ring? I assume that shutter-priority and program-mode auto >> exposure would be out of the question. Is there anything else I should >> know about? Would I have to use "stop-down" metering with such an lens? > > You will be using the "green button kludge", which is a hybrid > manual/automatic operation. > You set the camera to manual, set the lens to the aperture you want, and the > camera will briefly stop the lens down for a meter reading, and then set the > shutter speed accordingly when you depress the green button. > To get this function, you need to set the camera to allow shutter operation > with the lens set off A. I'm not sure of the exact wording in the camera > setup menu. > You can see if it will work for the way you shoot by taking your A series > lens off the A setting and use it like a non A lens, using the green button > metering/auto shutter speed setting method for taking pictures. > > It works well, providing you don't run out of metering range. Since the lens > is stopped down for metering, you can get wrong readings if the light gets > dim enough. > > William Robb > >
Substitute the AE-Lock button for the 'green button' on cameras other than the *istD and K10D. -Adam -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
