Thanks everyone for your thoughts, comments, and advice.
Tony, I've never seen anything like your dotty picture; I don't see how using
JPEGs could cause it. Cross fingers I have never even had a dust spot on any of my images.
Jeremy, I tried the noise reduction download, but it said I had to sign in to
Facebook or Google to do it. I don't use facebook, and have no idea how to sign in to Google, so I tried the alternative download, but it said I had to buy it. My in camera noise reduction does a pretty good job, so I guess I'll stick with it.
raymo
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