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Amazon.com : C-PL (Circular Polarizer) Multicoated | Multithreaded Glass Filter (67mm) for Sigma 16mm f/1.4 DC DN : Electronics
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Amazon.com : Hoya 67mm Pro1 Digital DMC Circular Polarizer Filter : Camera Lens Polarizing Filters : Electronics
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Magic of the Irix Edge Circular Polarizer filter! - Irix lenses were designed with both the effort and experience, of not only engineers, but also photographers. Swiss precision and Korean innovation create
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