On Jun 10, 2010, at 21:36 , Ken Waller 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" <rf.sulli...@gmail.com
>
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.
--
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Joseph McAllister
pentax...@mac.com
http://gallery.me.com/jomac
http://web.me.com/jomac/show.me/Blog/Blog.html
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