The 95mm Nano-X Pro High-Definition Circular Polarizing Filter from K&F Concept is designed to reduce glare and reflections from nonmetallic surfaces and increase saturation and vibrancy in the sky and foliage while ensuring true color reproduction. The optical glass filter features 36-layer nano coating, which reduces unwanted reflections and glare while providing a waterproof and scratch-resistant layer. The protective nano coating makes this filter suitable for use in harsh environments and it's easy to clean. The 95mm slim brass frame design is durable, features side knurling for easy grip, and prevents vignetting when used with wide angle lenses.