On Thu, 17 Mar 2011 14:02 -0400, "Bruce Walker" <[email protected]> wrote:
> > Jeffrey, I see no banding in that image, just the usual low level of ISO > 200 noise. Your sensor looks very clean, but you would have got less > shake if you'd used a tripod for that shot. :-) > > Here's another wild thought: is your monitor showing any burn-in > lately? LCDs often exhibit some slight burn-in or ghosting from > whatever was being displayed on them previously, especially if that > image was parked on screen for a while. This effect generally goes away > after a while (hours or days), unlike with old CRTs which burn-in > permanently. This occurred to me because while I was examining your > image I saw what I thought were some regular horizontal bars, but when I > moved the image the ghosts stayed put. They turned out to be from the > Terminal windows that I have up all the time for coding. > > Anyway, my take is that the images from your camera are fine. > Both PJ and I have confirmed that there is subtle banding pixellation in the sky when viewed with the Pentax software so I suspect it's not a monitor issue but the way software interprets the image. CS3/4 don't show the problem but Jeffrey's CS5 seems to pick it up in the same way as the Pentax software. Cheers Brian ++++++++++++++++++++++++++++++++++ Brian Walters Western Sydney Australia http://lyons-ryan.org/southernlight/ -- -- http://www.fastmail.fm - Faster than the air-speed velocity of an unladen european swallow -- 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.
