Godfrey DiGiorgi mused: > > On Mar 9, 2005, at 6:32 AM, Dave Kennedy wrote: > > > ...The perspective for the lenses are the same (as 35mm), but the > > coverage is smaller. Hence if I want the effect and coverage of a 28mm > > lens, I can't get it. ... > > That's incorrect. Perspective is a function of the distance between the > subject and the camera. If you want the perspective you're used to with > a 28mm lens on 24x36mm film, you need to use an 18mm lens with 16x24mm > sensor. That's all. > > The only other difference is that DoF with the smaller format is > increased by about 1.5 f/numbers for the same field of view ... that > is, for a given lens, what the DoF scale indicates for f/11 with a 35mm > camera, is achieved at between f/5.6-8 with the 16x24 format.
Minor nitpick; the DOF is, for all practical purposes, what the DOF scale indicates for f/8
