Double Fog Filter Density:1 Black Diffusion is kept in

Black Diffusion is kept in check by what is embedded in the filter

Tiffen's Color-Grad Sunrise filter and Color-Grad Blue filter can be used separately or in combination to greatly improve landscape photography

Maintains apparent focus

Half Color

Offering greater tonal separation than regular yellow and orange contrast filters

Double Fog Filter Density:1 Black Diffusion is kept inCreates a fog like effect with dramatically lowered overall contrast. Maintains greater sharpness and is less affected by highlight flare than the standard Fog filter. 3 density gives a noticeable fog effect. Does not require exposure compensation to make up for filter effect.