The Hoya 81A Filters controls the bluish coloration that affects daylight film. It can also remove excessive blue from the effects of electronic flash. The Hoya 81A Filter decreases color temperature from 3400-3200°K.
Multi-coated to minimize reflection at the filter surfaces which reduces flare and ghosting.
|Filter Factor||1.4x (0.5 stop)|
|Effect||Adds warmth to entire image when used under daylight on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected
Can be used with type B tungsten film to accurately reproduce color under 3400K light sources
|Color Temperature||3400K to 3200K|
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