Steve, I believe it's what Herb says. It's not the medium format itself that's the problem, it's having to use correspondingly longer lenses for the same field of view. I've just this morning bought a 55mm f/4 for my 6x7 (yay!) - and despite having the field of view of about 28mm in the 35mm format, sadly it won't have the same d-o-f as a 28mm, it'll of course have the same d-o-f as a 55mm lens!
Having said that, does anyone know if the d-o-f is the same for all lenses of a given focal length? In other words, does every 165mm lens from every maunfacturer have the same d-o-f? Or can they 'tune' it a bit with better optical design? Yes or no will do - anything about circles of confusion etc will just confuse me :-) Chris On Thu, 24 Jul 2003, Herb Chong wrote: > it has the same depth of field as a 165 does in 35mm format. trouble > is, it's not a moderate telephoto anymore in 6x7 but only a short one. > > From: "Steve Larson" <[EMAIL PROTECTED]> > > > Why do 6X7 lenses have a shallow depth of field even stopped down > > all the way? Chris mentioned it with the 165/2.8. Are they all like > > that?
