Rob, > Actually, the Olympus stuff does know what lens is on the camera and > can be set to compensate.
Is that only for Olympus brand lenses or does it apply to third party lenses like Sigmas and the like? > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of R. Jackson > Sent: Thursday, July 05, 2007 3:40 PM > To: [EMAIL PROTECTED] > Subject: [filmscanners] Re: film and scanning vs digital photography > > > On Jul 5, 2007, at 1:11 PM, Laurie wrote: > > > While Digital SLRs might "know" or identify the lens focal length, > > aperture > > setting, focus, etc., It cannot identify the glass that is used in > > any given > > lens or the optical properties specific to that particular lens. > > Since most > > DSLRs allow for interchangeable lenses and lenses made by varying > > manufacturers, it is probably not reasonable to expect the camera > > to be able > > to compensate except in a generalized way for light fall off > > produced by any > > particular lens. > > Actually, the Olympus stuff does know what lens is on the camera and > can be set to compensate. I used to have an E-1. I don't know how > "smart" the lenses are, but I know that sometimes I'd get > notifications from the Olympus studio software that one of my lenses > had a new firmware update available, so apparently the lenses had > more than just an ID residing in their circuitry. I personally never > used the "Shading Compensation" because the E-1 was slow enough > already. When DP Review tested the E-1 they got these write timing > numbers: > > http://www.dpreview.com/reviews/olympuse1/page10.asp > > 2560 x 1920 SHQ with no filter 2.0 sec > 2560 x 1920 SHQ Lens Shading compensation 18.9 sec > > Nearly ten times slower write speeds using lens shading compensation > was enough to scare me away from it for keeps. Interesting idea, > though. > > -Rob > > ----------------------------------------------------------------------- > ----------------- > Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe > filmscanners' > or 'unsubscribe filmscanners_digest' (as appropriate) in the message > title or body ---------------------------------------------------------------------------------------- Unsubscribe by mail to [EMAIL PROTECTED], with 'unsubscribe filmscanners' or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or body
