Ultra/Low Reflection Polarizing Lens Filter 77mm - K&F Concept

New. Never removed from original packaging. Amazon Description: Brand: K&F Concept Material: Optical Glass Filter Thread Size: 77 millimeters Coating Description: Nano Coating Photographic Filter Effect Type: Polarizer Water Resistance Level: Water Resistant Photographic Filter Factor: 2x Product Dimensions: 7.7 cm (length) x 7.7 cm (width)