Pro quality, optical glass Screw-in filter. The frame is metal, with metal threads, and a female thread on top to allow addtional filters or hoods. Marumi Infrared filter allows infrared (IR) light to pass and blocks all of the visible light spectrum. Unique images with drastic colour contrast.Please note: Many digital cameras employ UV/IR filter (which blocks IR). Long timed exposure may be rquired. The UV/IR filter of some cameras can be removed.Includes clear acrylic case & box.