4×5.65″ Clear Filters are a protective optical flat designed for high-end cinema lenses. It serves as a transparent shield that prevents dust, moisture, and debris from reaching the lens’ front element without affecting exposure or image quality.
Optical Neutrality: Guaranteed zero shift in color temperature or contrast, serving as a “pure” sacrificial barrier for the lens’ front element.
Available in NISI, Tiffen,Schneider-Kreuznach & Formatt