From: Patrick Greenlee <patrickg@xxxxxxxxxxxxxxx>
Subject: [OM] avoid demonic contact/ND filters and reciprosity
>
>Anyone have any comments regarding the use of ND filters to allow longer
>exposures with color negative film?
If you use two polarisers together you have widely adjustable neutral
density. Colour negative films are not seriously affected by reciprocity
failure particularly as any slight colour shift will be compensated by the
printer.
Regards,
Keith
keith_r.k.berry@xxxxxxxxxx
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