What are these dots on my RAW pictures? - RAW Shooting and Processing - CHDK Forum
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What are these dots on my RAW pictures?

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Offline sebowski

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What are these dots on my RAW pictures?
« on: 16 / July / 2011, 08:00:23 »
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I am shooting with a Canon PowerShot SX10IS.
I don't use RAW very often, but I'm pretty sure those dots weren't there when I took some RAW pictures last year. Could it be from heat?

Thanks for any advice!
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Offline fudgey

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Re: What are these dots on my RAW pictures?
« Reply #1 on: 16 / July / 2011, 09:17:29 »
If they are just your normal everyday bad pixels, you may now have more than a year ago or you used a different exposure time that shows more of them...?
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Offline maverick

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Re: What are these dots on my RAW pictures?
« Reply #2 on: 18 / July / 2011, 23:50:45 »
These dots are artifacts that are frequently caused when light is shining across the lens.  You may see a streak during the shooting of the photo. Try using a lens hood, if possible.

Mav
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