----- Original Message ----- From: Andre Langevin Subject: Re: Re[2]: 35mm vs 8x10 macro
> I'd like to understand something. > > We are in front of 2 settings: > > (1) a reversed lens on a bellows to photograph an 18mm dime at a 2X > magnification on 35mm film (it fills the width of the film) > > (2) the same reversed lens on the 6X7 with enough distance to get a > 4X magnification (it fills the width of the film) > > Which negative have more information? The setup with more magnification (4x) should have, all else being equal. > > And if the lens is doing better optically at 2X than 4X? It depends on how much better. William Robb

