Kodak 3 x 3" #22 Deep Orange Wratten 2 Optical Gel Filter

The 3 x 3" #22 Deep Orange Wratten 2 Optical Gel Filter from Kodak is an orange filter that boosts contrast in black and white photography. It is stronger than a #21 Orange. It is particularly useful in scenic and landscape photography. The sky is distinctly toned with the clouds clearly contrasted against it.