> > From: Boris Liberman <[EMAIL PROTECTED]> > Date: 2007/11/28 Wed AM 05:20:13 GMT > To: Pentax-Discuss Mail List <[email protected]> > Subject: Re: FA 77mm Ltd. - An observation > > Mike, > > But by decreasing DOF you can effectively concentrate only on that part > of the face that you want to show. For example if the model for some > reason has really ugly ears, by throwing them out of sharply rendered > space you can at least partially solve this problem.
OK. It read a little like you were saying the lenses properties altered as you opened up - which they do but not to a huge degree in a good quality lens. > > Another point that occurred to me is that given the fact that on digital > you use only part of the image circle of the lens (77 Ltd) you can take > a step or may be even two back away from the model. > > What I am really driving at, is that (having had Tamron 90/2.5) 77 Ltd > is very sharp, but it is still not a macro lens. The photographer has > some means to use in order to get softer loon on their picture. But then > again, sometimes one still has no choice but to apply a certain degree > of post processing to the image. > > Boris > > > mike wilson wrote: > > Boris Liberman wrote: > > > >> First of, I still think that by opening aperture (and the lens > >> is fast enough) you can decrease sharpness... > > > > Hmmm. You can decrease the depth of the plane of focus but you can't > > (afaik) decrease the sharpness of it. Thereby giving a softer look to > > more of the picture. Is that what you mean? > > > > > -- > 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. > ----------------------------------------- Email sent from www.virginmedia.com/email Virus-checked using McAfee(R) Software and scanned for spam -- 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.
