Recent content by blilley1455

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    ND2-ND400 Filter. How does it work?

    I believe that they are two polarizing filters and one is stable while one rotates. Same effect as a pair of polarized sunglasses and a LCD watch
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    South Central PA. Lancaster specifically.

    Good day, just got my P3adv in Dec. Live in Allentown. Bob Lilley
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