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ATM Calculation of Prime Focus.

To: atm@shore.net
Subject: ATM Calculation of Prime Focus.
From: Donn Starkey <dstarkey@solaris1.mysolution.com>
Date: Sun, 14 Sep 1997 14:49:06 -0700
Organization: Star Technology, Inc.
Reply-To: Donn Starkey <dstarkey@solaris1.mysolution.com>
Sender: owner-atm@shore.net

I am building a 4x5 sheet film camera for my C-14.  Is there a 
calculation for how far the film plane should be behind the scope to be 
at +Prime Focus+?  Or does prime focus just mean +to project an image on 
a film plane without the use of an eyepice+?

Thanks in advance!  
-- 
Donn Starkey                       
Star Technology, Inc
Custom formulators of Epoxy, Urethane and UV Cure Adhesives and Sealants
e-mail: "dstarkey@solaris1.mysolution.com"
Corporate Web Page: "http://www.star-technology.com"

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