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Go Back   World Photography Forum > Photography Technique > The Digital Darkroom


The Digital Darkroom The In-Computer editing forum.

White or black spots

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  #11  
Old 09-01-06, 11:58
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Annette Annette is offline  
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Quote:
Originally Posted by robski
The smudges is dust on the sensor if you shoot at f22 you will find them more defined. Also make sure your sky is well out of focus.
OK done that and you are right. Now need to get it cleaned. Thanks Rob.
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  #12  
Old 09-01-06, 14:41
windyridge50 windyridge50 is offline  
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I've used this bit of free software, which identifies both dead and hot pixels. It also identifies the threshold level at which pixels switch. If you have a problem it is possible to write an action in photoshop to remove the problem.

http://www.starzen.com/imaging/deadpixeltest.htm
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