Digital HT Circular Polarizer Screw-In Filter 37MM These filters reduce the amount

These filters reduce the amount of light passing through the camera lens without changing the color of the scene

This infrared design also works proportionately to the density value

Rotating Ring to Choose Degree of ND

This filter is constructed from Water White glass and is made using ColorCore technology

Digital HT Circular Polarizer Screw-In Filter 37MM These filters reduce the amountDIGITAL HT Circular Polarizer Anti Reflective and Transmission Coating Surpasses Military Specifications Extra Hard and Durable Deepens Blue Sky Enhances Clouds Minimizes Reflections Low Profile Titanium Lock Ring High Quality ColorCore Glass Made in the USA 10 Year Warranty Can be rotated to achieve desired effect