> Not true. Using a film camera, take a picture of a person with a > telephoto lens so that all you can see is their head and shoulders. Then > put a wide angle lens on, and walk closer to the subject until you can see > just their head and shoulders. Now your subject is the same size as it > was with the telephoto lens, but you have much more DOF.
This is false. If the reproduction ratio remains the same like youre describing above the DOF is also the same for a given f-stop, regardless of focal length... JCO
