B+W 58mm MASTER High Transmission MRC Kaesemann Circular Polarizer Filter, with a rotating mount to control the polarization effect. The Circular Polarizer will work with all auto-focus lenses, and reduces reflections from a non-metallic surfaces such as water, glass, and glossy paint and increases color saturation and contrast. Objects behind shop windows or car windshields can become visible again. The multiplying factor with the HTC Filter is 2 to 3, which is equivalent to 1 to 1.5 f-stops, compared to other polarizers up to 3 stops, giving you better light transmission. Black Knurled Thin Profile Filter Mount for Better Grip MRC Coating to Control Flare & Ghosting New QR Code included to Verify Authenticity Good for down to 17mm Full Frame Format ECO-Friendly Packaging Brand B+W Color Black Media Type ProductImage Model Name Kaesemann Item Weight 2.08 ounces Screen Size 58 Millimeters Thread Size 58 Millimeters Manufacturer Schneider Kreuznach BuiltIn Media B+W 58mm MASTER High Transmission CIRC POL MRC Nano Glass Filter, Cotton Filter Pouch Special Effect Polarizer Photo Filter Size 58 Millimeters Compatible Devices Cameras with 58mm lens thread size Enclosure Material Brass, Optical Glass Coating Description Nano Coating Warranty Description 1 year manufacturer Item Dimensions L x W 2.28 L x 2.28 W Water Resistance Level Water Resistant Global Trade Identification Number 04012240049301