BTW, I shoot with K lenses quite frequently. No problem. A couple of recent examples: http://www.photo.net/photodb/photo?photo_id=5458250&size=lg http://www.photo.net/photodb/photo?photo_id=5458281&size=lg On Jan 30, 2007, at 7:00 PM, David Weiss wrote:
> > Hello, > > Well, the other day I decided to take a look at this k lens > underexposure issue (which appears to be a real problem) and instead > found another problem. Here are the pictures: > > http://www.flickr.com/photos/[EMAIL PROTECTED]/ > > This is a series of pictures of a white piece of tissue used to wrap a > Christmas gift. Light was natural, white balance manually set. > Updated > firmware. Obviously, many of these are 1 or 2 stops underexposed, > but, > I was startled at the bands of color (green to the left, magenta to > the > right). > > Photos 1-3: Three is probably close to being exposed properly, but it > still has a hint of the problem. The others show it clearly. > > Photos 4-6: So I decided to look at photos that were overexposed at > different f stops. I don't see the problem in 4 and 5, but it > shows up > again in 6. > > Photos 7-9: So I thought to change lenses. Still there on 9, small > aperture again. > > Photo 10: Might as well check the problem at 400 sensitivity. A hint > of the problem. > > Photo 11: There it is again. > > Seems that the combination of high sensitivity, small aperture and > underexposure causes the problem. > > I also tried RAW and normal instead of bright mode, this did not cause > the problem to be eliminated. > > So, is this just the infamous banding problem magnified a bit? > > Is this just my camera? I hope someone can verify for me that this is > just a characteristic of this camera. Not that this would thrill me, > because I expect something to work properly, but at least I wouldn't > send my camera in again. > > I know that I am not likely to shoot under these conditions, but it > would be nice if the camera worked properly just the same. > > Dave > > > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
