Hoya Fog Diffuser Filter Set A+B for Dreamlike Effects Choose Filter Size:77mm - $64.90 The effect can be dramatic

The effect can be dramatic or subtle depending on how strong the light source is and how much atmospheric haze is in the air

Comparison of 81 Series Conversions:

This makes it impossible to use the same 3mm thick frame as the smaller sizes

HOYA CANDEO sharp cut filters are long-pass optical glass filters designed to block shorter wavelengths of light and allow longer wavelengths to pass

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Hoya Fog Diffuser Filter Set A+B for Dreamlike Effects Choose Filter Size:77mm - $64.90 The effect can be dramaticDescription The HOYA FOG filters have a frosted surface that lightly veils the entire picture in a pleasing dreamlike fog effect. There are two Hoya FOG filters, a FOG A and the stronger FOG B. Both can be used together to produce an effect similar to dense fog. The effect can be varied by changing the aperture of the lens, but stopping down too far will reduce the effect. These two filters are also available as a set. Specifications Filter Factor: N