82mm C-PL Circular Polarizer Multicoated Filter — Multithreaded Slim Heat-Treated Glass for Canon EOS 50D

82mm circular polarizer (C-PL) built for use with the Canon EOS 50D. Optical transmission value between 2.3 and 2.8 (approx. +1.3 stops). Constructed with heat treated glass and a rugged metal filter ring finished in black. Multicoated surfaces and a slim profile help minimize vignetting. Multithreaded design allows mounting additional lenses or filters on top. Suitable for both video and still photography.