Description: Double-sided green film 18-Layer multi-coated digital circular polarizer (CPL) filter is waterproof Ultra thin filter frames to help avoid vignetting on super wide angle lenses Remove unwanted reflections from non-metallic surfaces such as water, glass etc. Enable colors to become more saturated and appear clearer with better contrast. Indispensable MC-CPL circular polarizer filter for each landscape photographers Specification: Filter Type: MC-CPL Material: Optical Glass+Aluminum Shape: Circular Feature: ABS Package Includes: 1x MC-CPL Circular Polarizer Lens Filter Note: Not include the camera!