testing 320 and 400 speed film using plotter software, part III

From: shannon stoney ^lt;[email protected]>
Date: 04/13/04-09:31:22 AM Z
Message-id: <a05210607bca1b7be00cd@[]>

OK, so maybe I have some major confusion about what EV means. It
seems that it does change with the ISO. I thought for a minute that
it was an absolute measure of the light levels, and that the exposure
changed with the ISO, not the EV. So, I guess we're back to the
first question: if you are testing 400 speed film, should you aim
for an EV of 4 at ISO 400?

Received on Tue Apr 13 11:26:49 2004

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