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Thread: Strange pattern in Angulon 90 6.8 front element - balsam separation?

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    Apr 2017
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    Strange pattern in Angulon 90 6.8 front element - balsam separation?

    I just received a Schneider Angulon 90 6.8, with a rather strong pattern in it's front element (like a number of c-shaped rainbow arches - see images.) My guess is it's balsam separation? Any thoughts would be much appreciated, especially if you think I'm wrong and it's something different!
    Attached Thumbnails Attached Thumbnails _DSC1138.jpg   _DSC1134.jpg  

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