【FUNCTION AND PRINCIPLE OF CIRCULAR POLARIZERLENS FILTER】：Circular CPL filters allow you to remove unwanted reflections from water and non-metallic surfaces such as clouds, glass, foliage etc. They also enable colors to become more saturated and appear clearer with better contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds, Rotate to adjust polarization for enjoying richer colors in landscape Outdoor photography, outlining clouds, skies, and skylines in perfect clarity | 【20 LAYERS DOUBLE SIDED NANO-SCALE MULTI RESISTANT COATED】：The most advanced double-sided 20-layer nano-scale coating process adopts Japanese NITTO polarized Film, Polarization up to 99.9%, achieves Better neutral color temperature performance and better color contrast and reproduction. Nano MC technology ensure high scratch resistance and a dirt and water repellent effect | 【PRECISE THREADS&EASY TO USE】：ARTCISE Circular Polarizer Lens Filter can easily be screwed onto the filter thread of most lenses. Thanks to its accurate design, the adjustment ring can then be rotated on the filter without resistance in order to improve your images in the simplest possible way. You see an immediate result through the camera viewfinder, or on the display. Adjust the effect strength as desired. Due to the internal thread, a conventional lens hood can also be fitted so you can take better pictures | 【HD Optical glass with 4 PROTECTION EFFECT】：HD Optical glass with low reflection, effectively reducing the reflection came from both the ground and filter itself, ensuring the true color of photos, ⭕️Waterproof: like lotus leaf, the drops of water form on the surface roll off, ⭕️Anti-scratch，Multi-layer coating makes optical glass have higher strength and smoother，⭕️Oil-proof: When the surface of the lens is scratched by an oil-based pen, the traces will shrink to a point, making it easier to clean. ⭕️Anti-static：No static electricity, dust is not easy to absorb, the lens is easier to keep clean | 【MATTE BLACK SLIM FRAME & AVOID VIGNETTING】：Overall frame height of 7.5mm, screwed into the lens exposed frame height of 5.5mm, Ultra slim rim profile to avoid vignetting on wide angle lenses, while maintaining rotation capabilities to adjust polarization levels. Extra tough aluminum-magnesium alloy frame ensuring great durability and jamming prevention. Better machining accuracy and surface matte black oxide treatment, thread loading more smoothly, while reducing the impact of metal frame surface reflection on the shooting. Fantastic Symmetrical vertical knurling Non-Slip Design is finishing touch | 🔊【Tips】 ：Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. On all lenses from Canon, Nikon, Olympus, Samsung, Fuji and other manufacturers, there is a printed by a "Φ" (diameter) symbol that determines the filter size. For example: Φ58 = 58mm lens thread size. | 【POPULAR COMPATIBLE 58mm CAMERA LENS】: Canon EF/EF-S/MP-E Series, Sony VCL-2030X, Fujifilm XF/XC, Nikon AF-S 50mm f/1.8G AF-P DX, Carl Zeiss Distagon T/Milvus/Planar T Series | 【100% CUSTOMERS SATISFACTION GUARANTEED】：ARTCISE-US customer service team stands by to take care of your every concern. We Offer 365-Day-Care for defective products, please feel free to contact us via Amazon if you have any question. We are making the ARTCISE brand lens filter you love even more professional and reliable.