Hello arnie, Have you tried looking at the sensor itself? I could see the dust speck on mine.
-- Best regards, Bruce Wednesday, December 17, 2003, 3:45:37 PM, you wrote: a> well bruce, i've tried that. it only seems to show up in the sky. a> ----- Original Message ----- a> From: "Bruce Dayton" <[EMAIL PROTECTED]> a> To: "arnie" <[EMAIL PROTECTED]> a> Sent: Wednesday, December 17, 2003 10:23 AM a> Subject: Re[2]: artifacts >> Hello arnie, >> >> Any light colored relatively uniform surface would work. You aren't >> trying to take a beautiful photo here, just test the sensor. Point a >> light at a light colored wall and take a picture of it. It's not like >> you are going to waste film :) >> >> >> Bruce >> >> >> >> Wednesday, December 17, 2003, 4:59:46 AM, you wrote: >> >> a> well i tried cleaning the sensor, however because i can only see the a> spots >> a> on the sky, i'm going to have to wait to test it. we are supposed to a> get >> a> around 2 inches of rain today here in nyc. >> >> a> thanks for all the help >> >> a> arnie >> >> a> ----- Original Message ----- >> a> From: "Bruce Dayton" <[EMAIL PROTECTED]> >> a> To: "arnie" <[EMAIL PROTECTED]> >> a> Sent: Tuesday, December 16, 2003 8:56 PM >> a> Subject: Re: artifacts >> >> >> >> Hello arnie, >> >> >> >> Looks very much like dust on the sensor. I had one dust spot on mine. >> >> It could easily be seen by setting on B and holding the shutter open. >> >> A small puff of air took care of it for me. >> >> >> >> My friend's Nikon D100 had the exact same issue. 2 or 3 spots on his. >> >> Since I had just cleared mine, he showed me a couple of shots and I >> >> spotted it right away. He checked and sure enough - dust. Again, for >> >> him just a puff or two of air cleaned it. >> >> >> >> Bruce >> >> >> >> >> >> >> >> Tuesday, December 16, 2003, 4:58:40 PM, you wrote: >> >> >> >> a> i got this problem on my istD that happens with all my lenses. there >> a> are >> >> a> about 5-14 (depends on type of picture) dark spots appear. its not a> the >> a> lens >> >> a> because they appear in the exact same position every time. it also >> a> seems to >> >> a> show up worse on blue sky than anything else. >> >> >> >> a> i put the worst one as a full size jpg exactly as it came off the a> card >> >> a> online http://www.xdstech.com/istd/IMGP0522.JPG >> >> >> >> a> the shot was taken with the fa 135mm 2.8 >> >> a> 1/3000 >> >> a> f13 >> >> >> >> a> it was shot with the sun just at the edge of the roof. i count 13 a> spots >> >> a> (some quite faint and some glaring) >> >> >> >> a> any idea what it might be? dirt on the sensor? >> >> >> >> a> arnie >> >> >> >> >> >> >> >> >> >> >> >>