Archived posting to the Leica Users Group, 2000/02/28

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Subject: [Leica] ZS, BTZS
From: Mike Johnston <michaeljohnston@ameritech.net>
Date: Mon, 28 Feb 2000 16:29:26 +0000
 
>>>
> Hopefully, no one, at least not with their Leicas. The Zone System and

> more sophisticated variants such as BTZS are really only sensible to
use
> with sheet film.

[Austin] Why do you say that?<<<


Austin,
Because you need to control the degree of development of each negative
based on the metering you used for that scene. Unless you expose an
entire roll of film under the same conditions and with the same
metering, this is impractical with rollfilm and 35mm film.

- --Mike