82mm C-PL Circular Polarizer — Multicoated, Multithreaded Glass Filter with Rugged Black Metal Ring for Canon EOS Rebel XSi

82mm multicoated circular polarizer (C-PL) made for the Canon EOS Rebel XSi. Light transmission falls Between 2.3 and 2.8 (approx. +1.3 stops). Built with heat-treated glass and a rugged metal filter ring in a black finish, this slim-profile filter reduces vignetting while maintaining durability. Multicoated surfaces help cut flare and ghosting, and the multithreaded construction allows mounting additional filters or accessories on top. Suitable for both video and still photography.