B & W 72MM Slim-Line Multi-Coated Kaesemann Circular Polarizing Filter KIT For Canon EF-S 18-200mm f/3.5-5.6 IS

B&W B+W 72mm Slim-LineMulti-Coated Kaesemann Circular Polarizer FilterHighest quality Multi Resistant Coating assures outstanding sharpness & maximum color neutrality.Lessens reflection from non-opaque surfaces (water, glass, lacquer). Filter factor is 2 - 3 stops.Thin glass & slim mount preclude vignetting at wide angles. Includes slip-on cap - no front thread.Includes; Street & Field 6-Filter Pocket - Lens Pen Cleaning Tool - Ace Photo Micro-Fiber Cleaning Cloth.
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Source: Digital Camera and Video Store...