[APML] OT: how to get the reprocity factor from film specs?

To: "'Discussion of Film Astrophotography'" <astro-photo@seds.org>
Subject: [APML] OT: how to get the reprocity factor from film specs?
From: "Centaurus A" <centaurus_a@virgilio.it>
Date: Fri, 21 May 2004 14:49:10 +0200
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Dear All,

is there a way to get the reciprocity factor of a film from the film specs, if it is not directly mentioned?

regards,

Nicola

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Follow-Ups:
- Re: [APML] OT: how to get the reprocity factor from film specs?
  - From: "Don Westergren" <westergren@netzero.net>