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Is it safe and a good idea to clean DSLR lens using computer dust removal, which has powerful air pressure ?

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I've not seen this recommended for a number of reasons:

  • The high-pressure air can cause dust to move from a bad place to a worse place (as opposed to being removed altogether).
  • The condensation caused by the pressure drop & cooling of the compressed air causes stuff to get frosty. This should be temporary, but isn't likely to help in the short run.
  • You really don't want any of the liquid propellants used to create pressure in the can to stick to anything inside your camera.
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  • Excellent. I'll go ahead and buy a lens cleaning pen. Can you please suggest one?
    – Pat1679
    Aug 9 '11 at 13:42
  • Here's a question that does a pretty good job handling the "how should I" part: photo.stackexchange.com/q/1408/269
    – D. Lambert
    Aug 9 '11 at 14:31

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