Archived posting to the Leica Users Group, 2000/11/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]sorry - but that doesn't sound right- surely once a image has been captured on a negative with a certain amount sharp - and some not so sharp - I can't see that cropping it via an enlarger can possibly make any difference to the parts of the negative that are sharp or unsharp? Are you thinking of perspective? I understand that if an image taken with one focal length lens is enlarged to the same size as an image taken with a longer lens then the prespective will appear the same i.e the various planes of the photograph appear to change their relative spacing? Any comments? regards Clive Sanbrook - ----- Original Message ----- From: "Brougham" <brougham3@yahoo.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: 09 November 2000 14:25 Subject: [Leica] Re: DOF > "M.E.Berube" <MEB@goodphotos.com> wrote: > > > I think we are saying the same thing Doug. Wide Angle focal length > > lenses give us greater depth of field than their more tele > > counterparts at like apertures. Regardless WHY they have greater DOF > > (reduced image magnification that is inherent in shorter than normal > > (wide angle) lenses or magic)..Wider focal length = greater DOF. > > Yes. And no. :) > > If you crop a picture shot with a wide angle lens and then enlarge it > so it is comparable to a print made through a longer lens, the DOF > will be the same in both prints. The actual lens doesn't affect DOF. > > > > __________________________________________________ > Do You Yahoo!? > Thousands of Stores. Millions of Products. All in one Place. > http://shopping.yahoo.com/ >