Re: emulsion Speed test

From: Joao Ribeiro (jribeiro@greco.com.br)
Date: Fri Jan 21 2000 - 20:09:04 /etc/localtime

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Hi Ray,

> Joao, ISO P is 1000 times the regular ISO number used
> for film. ISO P 500 = 500/1000 = ISO 0.5
>
> if I did the math right.

Now that is a very, very useful informationThanks a lot
Joao

>
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> Ray
>
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