This Rear Mount Neutral Night Filter from Kase is compatible with the built-in rear slot of a Canon EF 11-24mm f/4L USM lens. It reduces the appearance of light pollution from artificial light sources during night photography. This filter is constructed from tempered optical glass for shock resistance. Additionally, it is multi-coated to prevent internal ghosting and reflections. An installation adapter and screwdriver are also included.
UPC: 826635848202