It doesn't matter how much the meter reading changes - in hyper-manual mode (which is all you get with K/M lenses) the exposure setting won't change until you press the AE button again, at which time the camera will pick a shutter speed (using stop-down metering).
On Fri, Sep 23, 2005 at 11:43:17AM -0700, Shel Belinkoff wrote: > If I'm going to recompose, then using exp lock seems like a good idea, > otherwise the meter reading changes, sometimes substantially. > > Shel > > > > [Original Message] > > From: William Robb > > > The problem as I see it, ~for me~, at this point, > > > is that there are too many steps for metering - > > > "green button", setting exposure lock, recomposing - > > > I really need to practice more with the camera. > > > > On the istD, I don't need to set the exposure lock, > > I just meter, compose and shoot. > > Did they do something different on the DS? >

