[LargeFormat] polarizer compensation

[Ken Sinclair]

Brock,

For my two polarizer filters, I allow 1 1/3 stops. My red #25 filters?...
depends on the film, but generally only 2  to 2 1/3 stops rather than the 3
stops usually recommended.

Ken

>Here's a quick one that will undoubtedly bring a variety of responses!!
>What do people use for a typical exposure compensation for a Polarizing
>filter?  I've seen 1.5 to 2 and a bit stops... I've always gone with 2 but
>wonder if 1.5 might brighten the shadow somewhat, without lightening the sky
>too much.  Is there a difference between circular and linear w.r.t. neutral
>density?
>
>While we're on the subject, what about a typical red filter for black and
>white?  A 25 I think it is (?).
>
>Brock