Archived posting to the Leica Users Group, 2000/11/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Wed, 08 November 2000, "M.E.Berube" wrote: > > At 09:44 AM 11/8/00 -0800, Douglas Herr wrote: > >DOF has nothing to do with focal length. DOF is influenced by image > >magnification and aperture. Shorter lenses have greater DOF for a given > >aperture and working distance because of the reduced image magnification. > > OK. > Aren't lenses that are "Shorter" and have "reduced image magnification" > usually pretty much reciprocal with Wider Angle focal length lenses? > (I'm honestly trying to gain new knowledge with this question.) > > Carpe Luminem, > Michael Michael, Wide-angle lenses are shorter than "normal" lenses and have reduced image magnification. Doug Herr Birdman of Sacramento http://ourworld.compuserve.com/homepages/telyt - -------------------------------------------------- Stay in touch with Northwestern and the world. Click http://www.nualumni.com to get your FREE Northwestern StartPage. Customize your own collection of the latest news, sports, stock quotes, and more. Check it out today!