Quote Originally Posted by Skyman
I agree totally if you change your focal length or position to compensate for a change in sensor size, but if you simply take a given lens and change it from one camera to the next the depth of field doesn't change, all you are changing is how much of the image circle hits the sensor / film.
That's true and what I said above. It's not until you react to the change in sensor size that things change and most every characteristic of the optics does change. So, shouldn't we learn the results (all of them) of our reaction instead of trying to have a fudge factor for each. - TF