Fred Widall mused: > > I was doing some shooting today with my new *ist-DS and DA18-55mm. > When I opened the images in Photoshop I noticed some coloured stripes > running across the image left to right, roughly 2/3 of the way up. > > I'm guessing they are some kind of chromatic aberration due to cheap > kit lens &/or related to the fact I was shooting at 1600 ASA, but I > thought someone could give me a definitive answer. It only happened > on four images, all taken at same settings, in same light and from the > same spot. > > http://www.photo.net/photodb/photo?photo_id=2956496 > > Details: DA 18-55mm @ 23mm, F4, 1/40 sec, ISO-1600, sRGB, 6Mp, Best JPG, > no flash > > Any thoughts ??? Thanks.
I rather doubt an optical problem would create horizontal stripes. I'd be inclined to suspect that the shutter isn't moving uniformly.
