Re: Step Wedge

From: Dave Rose ^lt;[email protected]>
Date: 11/10/04-08:47:33 PM Z
Message-id: <006201c4c798$cb326350$26cc9045@dave6m4323wvj7>

Sounds like a bad idea.

Go back to the basics:

The Negative, Ansel Adams
The New Zone System Manual, White, Zakia & Lorenz

Best regards,
Dave in Wyoming

----- Original Message -----
From: "Jeff Dilcher" <>
To: <>
Sent: Wednesday, November 10, 2004 11:24 AM
Subject: Re: Step Wedge

> Is the 31-step wedge, mentioned, on a 4x5 piece of substrate? I was
> thinking sandwiching this in front of film, in my film holder, and
> exposing in-camera would also serve to help me conduct film tests...
> BTW, anyone use this method of generating film curves and finding
> film speeds? I'm assuming that I would be exposing an evenly illuminated
> surface at zone X? I am a little cloudy on analyzing the results to
> determine, first of all, my true film speed. I have access to something
> akin to a densitometer to aid in checking resulting densities...
Received on Wed Nov 10 20:47:06 2004

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