Canon 17-55mm F2.8 IS dust issue. What do you do?

Started Feb 3, 2008 | Discussions thread
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MitchAlsup Veteran Member • Posts: 4,696
Re: Canon 17-55mm F2.8 IS dust issue. What do you do?

Optically speaking, dust on the lense elements is "maximally out of focus".

But this should remind you that you never blow air towards the lens on the optical axis (into the front surface) but blow air accross the lens using short light puffs.
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Mitch

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