Feature●The slim frame is ideal for wide angle lenses.●Infrared 720 nm allows visible light for wrong colour, and high contrast for black and white. Equivalent to Hoya R72 & Wratten 89b.●Optical glass screw-in filter●Metal frame with double thread for additional filters or cooker hoods.●Super fine matt black aluminium frame.Description
Slim: 3.6mm deep (not rearthreaded) Ideal for wide angles. Glass with black rim. Superfine matt black frame. Includes front thread for filter or cooker hood.