[rollei_list] Re: OT Infared film and shooting with it.
- From: Allen Zak <azak@xxxxxxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Tue, 25 Sep 2007 09:24:27 -0400
On Sep 25, 2007, at 9:21 AM, Allen Zak wrote:
Some while ago, the American Standards Association reorganized to
become the American National Standards Association , but I think it
still proper to reference measurements established when there was an
ASA. However, ASA (ISO, ANSI) numbers are designated by manufacturers
applying standard protocols. In this instance, what is being looked
for is an appropriate exposure index (EI) for a film/developer
combination, which may or not deviate from the ASA.
Allen Zak
Oops, American National Standards Institute, that is.
AZ
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