You can fake less DoF but not more. The popular 'miniature effect' is what John was referring to, not the more constructive use of the Scheimpflug effect to increase DoF.
-Adam On Fri, Sep 17, 2010 at 1:44 PM, J.C. O'Connell <[email protected]> wrote: > impossible. you cant change image DOF after the fact. > you may be able to do some minor fiddling but > if the fstop was near wide open and not tilted > to match a tilted subject, there is no way to > get the suject totally in focus without a tilt > used at time of exposure. > > -- > J.C. O'Connell (mailto:[email protected]) > Join the CD PLAYER & DISC Discussions : > http://tech.groups.yahoo.com/group/cdplayers/ > http://launch.groups.yahoo.com/group/cdsound/ > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of John > Sessoms > Sent: Friday, September 17, 2010 1:37 PM > To: [email protected] > Subject: RE: 50 and 90mm Tilt-shift lenses from Schneider Kreuznach ... > > > From: "J.C. O'Connell" >> Yeah, PS can fix perspective without a shifting lens. But there is no >> way to later emulate lens tilt which selectively alters the plane of >> focus with PS. That has to be done with the lens tilt in camera. >> > > Actually you can do that in Photoshop too. Google "photoshop lensbaby > effect" for the simple tutorials. > > If you need to emulate a true scheimpflug effect, you would probably > find it easier to do with Helicon Focus, although Tony Kuyper has an > ebook tutorial out that includes digital scheimpflug. > > http://goodlight.us/writing/digitalscheimpflug/digitalscheimpflug-0.html > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- M. Adam Maas http://www.mawz.ca Explorations of the City Around Us. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
