Archived posting to the Leica Users Group, 1997/06/01

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Subject: Re: Zone system
From: Dave Munroe <dmunroe@hpvclmun.vcd.hp.com>
Date: Sun, 1 Jun 97 16:34:01 PDT

> in the era of poly contrast papers, why use the zone system?

To insure that the negative is exposed correctly for the range
of tones in the image, especially for the low values.  If there
is insufficient exposure for the low values and important details
never made it onto the negative, then no amount of increased
development or contrasty paper is going to make them appear.

- -Dave