86mm Multicoated Circular Polarizer (C-PL) Multithreaded Glass Filter for Pentax K-100D

Multicoated 86mm circular polarizer (C-PL) built for Pentax K-100D — suitable for both photography and video. Light reduction between 2.3 and 2.8 (approx. +1.3 stops). Constructed with heat-treated glass and a rugged metal filter ring (black finish). Slim-profile design minimizes vignetting, and the multithreaded construction lets you mount additional lenses or stack filters on top.