> >First in A mode we would use positive exposure compensation of >one stop. When we take the picture the shutter speed would >have been decreased by one stop (assuming manual ISO). Before >the exposure compensation was added no exposure bar would be >visible. After the exposure compensation is added the exposure >bar appears, and will show one stop of compensation. > >Second in M mode we would simply change the shutter speed by >one stop. The exposure bar (which is always visible in manual >mode) will show that the camera thinks we are one stop >overexposed. > >Third in M mode we could use one stop of exposure >compensation. If we keep the original exposure, the exposure >bar will show that the camera now thinks that our shot is one >stop underexposed. Once we zero out the meter by decreasing >shutter speed one stop we will find we have done the same >thing we did in the second case above. >
That's good - I have to try that! Thanks for the explanation, Jim.
I have a goal of trying to use EC better. I mostly fly by the seat of my pants right now.