ICE Slim IR 67mm Filter Infrared Infra-Red 720HB 720nm 720 Optical Glass

Slim: 3.6mm deep (not inc rear threads). Includes front threads for filters or Hood. Slim Frame is Ideal for Wide Angle Lenses. Infrared 720nm. Allows Some Visible Light for False Color, & High Contrast for Black & White. Equivalent to Hoya R72 & Wratten 89b. Optical Glass Screw-in Filter Metal, Double Threaded Frame to Allow Additional Filters or Hoods.