Feature: 1. CPL is a widely used filter that eliminates unnecessary reflection and improves the clarity and expressiveness of photos. 2. Multi‑layer nanometer coating technology, with waterproof, oil‑proof, anti‑fouling, scratch‑proof features. 3. The filter can protect the lens from dust scratches, ensure the safety of your camera. 4. Fit for Canon/ Nikon/ Sony/ Olympus/ Fuji cameras with 43/46/49mm interface, meet your different needs. 5. Adopt high quality aluminum alloy+optical glass, firm and durable, provide longer service life. Specification: Item Type: CPL FilterMaterial: Aluminum Alloy+Optical GlassWeight: Approx. 32g/ 1.1ozFitment: for Canon/ Nikon/ Sony/ Olympus/ Fuji cameras with 43mm/1.7in, 46mm/1.8in, 49mm/1.9in interface. Instruction:After installing CPL, rotating the lens (CPL has two lenses,the front one can be rotated), and then look at the LCD screen or DSLR viewfinder until you are satisfied with the picture before shooting.. Package List: 1 x CPL Filter1 x Storage Box Note: When using polarizing lens, because you need to rotate the filter, should not use the lens hood; Place the camera in shadow as much as possible.