Hoya Fog Diffuser Filter Set A+B for Dreamlike Effects Choose Filter Size:77mm - $64.90 You are using daylight-balanced film

You are using daylight-balanced film (5500°K) and the light source is 3800°K

green foliage is rendered in much lighter gray tones

W12 color conversion filter warms the ambient light entering the lens by 2200° kelvin (+120 mired shift) by adding dark amber color to the overall exposure

Comparison of 81 Series Conversions:

This double-ring design is thin to reduce the likelihood of vignetting with wide-angle lenses

Hoya Fog Diffuser Filter Set A+B for Dreamlike Effects Choose Filter Size:77mm - $64.90 You are using daylight-balanced filmDescription 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