Tiffen LYSB0010C42II-ELECTRNCS 4x4" Dark Red #29 FilterAchieve Dramatic Black and White Photography with the Tiffen Dark Red #29 Glass Filter The Tiffen 4x4" Dark Red #29 Glass Filter is designed to create strong contrast and dramatic effects in black and white photography. By absorbing green and blue light, it enhances red tones and adds a moody, powerful atmosphere to your images. Filter Size: 4x4" Filter Type: Dark Red #29 Material: Glass Effect: Contrast Enhancement Suitable For: Black & White Film