On Thu, 22 Feb 2007 17:03:02 -0800, Godfrey DiGiorgi wrote > On Feb 22, 2007, at 2:11 PM, John Whittingham wrote: > > > On Thu, 22 Feb 2007 16:52:30 -0500, Paul Stenquist wrote > >> That's what makes the PDML so valuable. Unless you have to be first > >> in line, you'll find many opinions and examples here. > >> Paul > > > > Absolutely and one of the reasons I posed the question, however > > we're all > > individuals. One of my main problems with ultra wide DSLR lenses is > > the CA, > > yes I know it can be corrected in RAW conversion but I'd really > > like not to > > have to. A little distortion, I can live with that, correct it when > > needed, a > > little vignetting, I can live with that too but less tolerant > > depending on > > lens and intended purpose. > > The DA14 exhibits less than 0.3% rectilinear distortion, zero > vignetting, and a very small amount of CA when used wide open. By f/ > 4.5, CA is insignificant. > > http://homepage.mac.com/godders/14mm-examples/ > >
Some nice shots there. I can see a little CA in IMGP1449-B2 @ f/8, the converging verticals make me feel dizzy in that shot. There's more in IMGP0591 @ f/5.6, nice Ducati Monster though. Still not a bad showing for such a wide lens. > You could program a template for CA reduction in Lightroom and > simply apply it to any DA14mm exposures. Or any other lens for that > matter. Lightroom.........ah, only works on XP AFAIK, I'm running Win2K and sticking for now, no bugs or BSoD. Can you set up the same in ACR I've not looked. > Really John, I think you're making much ado over nothing with regard > these two lenses. They're the right lenses for the DSLR line if you > want an ultrawide, and no one else's are any better. They're not > even hideously expensive. > > G Possibly and the lack of anything better leaves me with little option for the time being, they're also typically more expensive in the UK. Thanks Godfrey, John ---------------------------------------------------------------------------------------------------- The information transmitted is intended only for the person to whom it is addressed and may contain confidential and/or privileged material. If you have received an email in error please notify Carmel College on [EMAIL PROTECTED] then delete all copies of it from your systems. Although Carmel College scans incoming and outgoing emails and email attachments for viruses we cannot guarantee a communication to be free of all viruses nor accept any responsibility for viruses. Although Carmel College monitors incoming and outgoing emails for inappropriate content, the college cannot be held responsible for the views or expressions of the author. The views expressed may not necessarily be those of Carmel College and Carmel College cannot be held responsible for any loss or injury resulting from the contents of a message. ---------------------------------------------------------------------------------------------------- -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
