Digital HT Circular Polarizer Screw-In Filter tripod The filter is constructed from

The filter is constructed from water white optical glass for maintained clarity and measures 4 x 5

Combine these two filters

clear focus in the center of the image while blurring the perimeter of the frame

while still offering a soft

Digital HT Circular Polarizer Screw-In Filter tripod The filter is constructed fromDIGITAL 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