B+W 52mm 489 Infrared Glass Filter (Slim)

This B&W 52mm Infrared Blocking (Slim) Glass Filter must not be confused with heat-resisting protection filters for projectors or spotlights. Instead, it is intended for use as protection for IR-sensitive CCD sensors or in the light path of illumination devices with low thermal characteristics.

B&W slim filters are for wide-angle lenses and are 3mm thick. They do not have a front thread.