Double Fog Filter Camera Bags and scratches from reaching lens

and scratches from reaching lens elements

These diopters are semi-circular pieces of glass that are mounted in ring form

When higher grade numbers are applied

The neutral density portion of the filter offers a 4-stop exposure reduction for working with longer shutter speeds or wider aperture settings

812 Filter

Double Fog Filter Camera Bags and scratches from reaching lensCreates 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.