[rollei_list] Re: OT Infared film and shooting with it.
- From: "Eric Goldstein" <egoldste@xxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Tue, 25 Sep 2007 13:45:24 -0400
Producers adopted the (international) standard of the ISO, and dropped
the standard of the ASA. To my knowledge, the standard is the same.
This is like a country changing it's name... documentarians try to get
it right.
More important and my original point... One's working speed rating for
a film based upon individual work flow and artistic preference/choice
is the Exposure Index (as Allen Zak points out) and not the ISO (or
ASA)...
Eric Goldstein
--
On 9/25/07, Marc James Small <marcsmall@xxxxxxxxxxx> wrote:
> At 12:47 PM 9/25/2007, Eric Goldstein wrote:
> >Marc -
> >
> >Perhaps you and Jim can point to a film box made within the past 10
> >years which indicates an ASA speed?
>
> You are being deliberately obtuse. I just
> checked a box of film, and the speed is shown as
> "100/21 ISO". The "100" is ASA. The "21" is
> DIN. The combination is ISO. But the "100"
> portion remains the ASA speed. Let's not play rather petty games over this.
>
> Marc
>
>
> msmall@xxxxxxxxxxxx
> Cha robh bàs fir gun ghràs fir!
>
> ---
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