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" <dilcher@hiddenworld.net>
To: <alt-photo-process-l@sask.usask.ca>
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
This archive was generated by hypermail 2.1.8 : 12/08/04-10:51:32 AM Z CST