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Old Sep 9, 2004, 3:57 PM   #1
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Hi All, Quick question concerning the use of Cokin filters & Canon lenses:- When the lens focuses it turns so if you have a Cokin filter attached it will also turn, so you can guess the question. HOW DO I STOP IT TURNING?

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Old Sep 9, 2004, 7:09 PM   #2
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... Buy a lens with internal focus (IF), the front element will then not rotate!
It's a real pain to use with a polarizer as well

Here's an example: http://www.sigma-photo.com/html/pages/18_125_DC.htm
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