Ken Durling wrote:
The higher the letter, the greater the effect. Hmm, I wouldn't call
an 81B a "skylight" would you? I understand all 81s really to be
"warming" filters. 81A isn't too far from a skylight, but 81B starts
to have very noticeable warming effect.
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Depedning on whose 81A filter there is also some difference.
It should be more orange than a Sky which shoudl be a light (faint) pink
coloring.
Peter K
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