Not if the same "framing" is maintained. A common misunderstanding ;-) > -----Original Message----- > From: rollei_list-bounce@xxxxxxxxxxxxx > [mailto:rollei_list-bounce@xxxxxxxxxxxxx]On Behalf Of CarlosMFreaza > Sent: Tuesday, November 10, 2009 9:59 AM > To: rollei_list@xxxxxxxxxxxxx > Subject: [rollei_list] Re: Rolleiflex 35mm Cameras > > > I'm afraid you are wrong Eric, DOF is purely a function of aperture > for a given lens (and given frame size), but if the lens focal length > changes the DOF also changes if keeping constant f stop and circle of > confusion size . You could play with this DOF calculator changing only > the lens focal length and you'll see the way the real DOF area also > changes: > http://www.dofmaster.com/dofjs.html > Carlos > > 2009/11/10, Eric Goldstein <egoldste@xxxxxxxxx>: > > It can be argued that DOF is purely a function of aperture and not FL. > > > > > > Eric Goldstein > > > > -- > > > > On Tue, Nov 10, 2009 at 9:32 AM, CarlosMFreaza > <cmfreaza@xxxxxxxxx> wrote: > > > Well, "any" camera is a term general too much. DOF has to do first > > > with the lens focal length and the frame size and the circle of > > > confusion size you consider acceptable and second with the f stop; you > > > could stop down a 300mm lens for a 6x9 format at f11 or 16 (to say > > > something) and you could still have more deeper DOF with the Rollei 35 > > > at f3.5, my point was that the Rollei 35 Tessar has a reasonable DOF > > > and sharpness even wide open if you focus close to your desired > > > focusing point, in other words, it is not necessary a telemeter under > > > these conditions, perhaps this was not the topic central axis but it > > > has to do with some messages I read in the thread. > > > > > > BTW, the "universal" camera does not exist yet, if you know your > > > tools, you also know where and why to use them.- > > > > > > Carlos > > > > > > > > > 2009/11/10, Marvin <marvin0@xxxxxxxxxxxxxx>: > > >> I think you missed the point Carlos, it's possible to stop > the lens down and > > >> have a large depth of field with just about any camera, but > that doesn't > > >> afford the individual much control. That's the problem with the 35. > > >> Marvin. > > >> > > >> -----Original Message----- > > >> From: rollei_list-bounce@xxxxxxxxxxxxx > > >> [mailto:rollei_list-bounce@xxxxxxxxxxxxx] On Behalf Of CarlosMFreaza > > >> Sent: 10 November 2009 17:01 > > >> To: rollei_list@xxxxxxxxxxxxx > > >> Subject: [rollei_list] Re: Rolleiflex 35mm Cameras > > >> > > >> I rarely had problems guessing the distance with the Rollei > 35, these > > >> two samples were taken during a travel, with the Tessar wide > open, 3,5 > > >> 1/30 shutter speed and camera hand-held, the film was a Kodak Ultra > > >> 400. The DOF is still deep at f 3.5 and the camera light meter worked > > >> right. > > >> > > >> http://www.flickr.com/photos/itarfoto/1433112977/ > > >> > > >> http://www.flickr.com/photos/itarfoto/1456649900/ > > >> > > >> Carlos > > >> --- > > >> Rollei List > > >> > > >> - Post to rollei_list@xxxxxxxxxxxxx > > >> > > >> - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' > > >> in the subject field OR by logging into www.freelists.org > > >> > > >> - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with > > >> 'unsubscribe' in the subject field OR by logging into > www.freelists.org > > >> > > >> - Online, searchable archives are available at > > >> //www.freelists.org/archives/rollei_list > > >> > > >> > > >> --- > > >> Rollei List > > >> > > >> - Post to rollei_list@xxxxxxxxxxxxx > > >> > > >> - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' > > >> in the subject field OR by logging into www.freelists.org > > >> > > >> - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with > > >> 'unsubscribe' in the subject field OR by logging into > www.freelists.org > > >> > > >> - Online, searchable archives are available at > > >> //www.freelists.org/archives/rollei_list > > >> > > >> > > > --- > > > Rollei List > > > > > > - Post to rollei_list@xxxxxxxxxxxxx > > > > > > - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' > > > in the subject field OR by logging into www.freelists.org > > > > > > - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with > > > 'unsubscribe' in the subject field OR by logging into www.freelists.org > > > > - Online, searchable archives are available at > > //www.freelists.org/archives/rollei_list > > > > > --- > Rollei List > > - Post to rollei_list@xxxxxxxxxxxxx > > - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' > in the subject field OR by logging into www.freelists.org > > - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with > 'unsubscribe' in the subject field OR by logging into www.freelists.org > > - Online, searchable archives are available at > //www.freelists.org/archives/rollei_list > > --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list