C-PL (Circular Polarizer) 82mm Multicoated Multithreaded Glass Filter for Pentax K7

Provides attenuation Between 2.3 and 2.8 (approx. +1.3 stops). Built with heat treated glass and a multicoated surface for improved optical performance. Housed in a rugged metal filter ring (Black Finish) with a slim design to minimize vignetting. Multithreaded construction allows mounting lenses or filters on top. Designed for use in both video and photography.