Tiffen 82OR21 82mm Orange 21 Camera FilterEnhance Your Black and White Photography with Dramatic Tones Introducing the Tiffen 82OR21 82mm Orange 21 Filter, designed to add depth and contrast to your black and white images. This filter is also suitable for creative effects in color photography. Specifications: Filter Type: Orange 21 Diameter: 82mm Effect: Absorbs blue and blue green light, deepens blue tones Intended Use: Black and white photography, creative color effects