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Forums > Back > Weird recurrent lens problem
chrismiller
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#2
06-13-2016, 03:12 PM
Condensation I would say. Lenses are not sealed to air and water vapor. I had this with a sigma years ago. I put it somewhere warm and pumped the zoom action for a while.

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Messages In This Thread
Weird recurrent lens problem - by toni-a - 06-13-2016, 12:59 PM
Weird recurrent lens problem - by chrismiller - 06-13-2016, 03:12 PM
Weird recurrent lens problem - by davidmanze - 06-14-2016, 06:04 AM
Weird recurrent lens problem - by toni-a - 06-14-2016, 12:09 PM
Weird recurrent lens problem - by Brightcolours - 06-14-2016, 01:40 PM

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