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Author Topic: On / Off / Battery Removed - Which reduces the risk of dust when changing lens?  (Read 3586 times)

Isaac

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Which reduces the risk of dust attaching to the camera sensor when changing the lens?
  • Switched On
  • Switched Off
  • Battery Removed
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kaelaria

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For many years now, it makes no difference.

PeterAit

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For many years now, it makes no difference.

Agreed. the dust does not really care whether the camera is on, off, etc. Why on earth would it?
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Isaac

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"a ‘live’ sensor creates an electric charge that attracts back the dust you’re attempting to remove"

otoh -- "Don't sweat about changing lenses. Most of the dust inside your camera would have made it in even if you never changed a lens. And it really doesn't matter which way up you hold your camera: the time the lens is off the camera is much too short for dust to have time to float down with gravity."
« Last Edit: November 17, 2013, 01:14:28 PM by Isaac »
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Eric Myrvaagnes

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So which of these authorities is the ultimate authority?
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kaelaria

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As I said, for years now it makes no difference.  Cameras these days use CMOS sensors, not CCD - they are not 'live' unless taking a photo.  A total non-issue.

Isaac

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Thank you for saying why it makes no difference now.
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