OK, that's what I thought, but the camera fires even when there's nothing in focus. Is there a menu item that has to be set?
Shel > [Original Message] > From: Godfrey DiGiorgi > > On Apr 11, 2006, at 6:15 PM, Shel Belinkoff wrote: > > > I seem to have forgotten how trap focus works on the istDS. > > Can someone refresh my memory? > > With a manual focus lens, set a focus distance and flip the AF/MF > switch to AF. Hold the shutter release button fully depressed. When > the AF sensors pick up a subject in focus, the focus indication light > will turn green and the shutter will trip.

