Hmm. ISO 200. Streaking in Red and Blue channels. Possible solutions: - add exposure - drop to ISO 100 and see whether you get the same - mask the red and blue channels, do some noise reduction processing
Godfrey On Dec 18, 2006, at 1:30 AM, John Celio wrote: > Take a look at the sky in this pic. (it's a processed PIF, so you > can open > it in photoshop if you want to see the exif info) > > http://www.neovenator.com/special/__IGP0101.jpg > > I was doing some city shots of San Francisco from Treasure Island > last night > with my K10D. Lens was M* 300mm f4. ISO was 200, aperture was f8, > exposure > was ten seconds. > > The streaky noise in the sky in that shot will almost definitely be > visible > in a print. This worries me, because I was planning on recreating > my San > Francisco panorama from a couple years ago. I shot that thing with 20 > second exposures but didn't get noise like this. > > Aside from wondering if perhaps something is wrong with the sensor > (this is > me jumping to conclusions, which I desperately try not to do), I'm > wondering > if perhaps shooting at a higher ISO and shorter exposure would produce > better results. > > Any thoughts? -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
