Hoya Fog A Diffuser Filter for Subtle Fog Effect 800T Comparison of 81 Series Conversions:

Comparison of 81 Series Conversions:

Exposure loss: 1 1/3 Stop Mired Shift +120 Equivalent Filter 85B Glass Type: Hoya Optical Number of Multi-Coatings: 6 total / 3 each side Hardened Top Layer: No Anti-Static: No Frame Construction: Low Profile / Aluminum Front Filter Threads: Yes

Hoya Softeners are helpful when:

ISO Certifications

Suitable for imaging systems

Hoya Fog A Diffuser Filter for Subtle Fog Effect 800T Comparison of 81 Series Conversions:Description 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