Ken, Multiple lenses show the same spot when stopped down to f16 or f22. Regards, Bob S.
On Thu, Jun 10, 2010 at 11:36 PM, Ken Waller <[email protected]> wrote: > Is it with just one lens or on several? If just one lens then its obviously > a lens issue. > > Kenneth Waller > http://www.pentaxphotogallery.com/kennethwaller > > ----- Original Message ----- From: "Bob Sullivan" <[email protected]> > Subject: Dust spots ;-( Give me some help! > > >> Hello team, >> I need your collective wisdom on a K-7 problem. >> I noticed a spot (dust?) on my pictures at Grandfather Mtn.. >> I had the camera tech clean the sensor at GFM. >> >> On the way thru the Smokies, I shot some landscapes and IT'S BACK! >> (still there?) >> I've got a spot just below 1/2 way down and a bit to the left. >> I cannot see anything on the sensor's surface. >> Furthermore, the spot disappears when I open the lens to f2.8 or f4.0. >> Spot happens with multiple lenses at f16 or f22. >> It's a small spot, but I don't understand the mechanics. >> Is my sensor broken? >> >> Here's a sample from Cades Cove with the DA60-250/4. >> Click on the magnifying glass in the upper right. >> You can see a black spot just below the ridge line. >> http://picasaweb.google.com/rf.sullivan/NewK7Samples#5481359232070699890 >> >> Regards, Bob S. > > > -- > 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. > -- 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.
