Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!think!snorkelwacker!bloom-beacon!eru!ulmo1!sow
From: sow@cad.luth.se (Sven-Ove Westberg)
Newsgroups: comp.graphics
Subject: Re: photographing screens
Message-ID: <1406@ulmo1.mt.luth.se>
Date: 27 Nov 89 09:24:29 GMT
References: <3777@hydra.gatech.EDU> <18678@watdragon.waterloo.edu>
Reply-To: Sven-Ove Westberg <sow@cad.luth.se>
Organization: University of Lulea, Sweden
Lines: 14
UUCP-Path: {uunet,mcvax}!enea!cad.luth.se!sow

In article <18678@watdragon.waterloo.edu> rsingh1@dahlia.waterloo.edu () writes:
|
|Shutter speed I used was, if I remember correctly, quite short.  I guess
|you want a shutter speed faster than 1/60th of a second (ntsc).  I played
|around with lots, so I might be wrong on this.
| 

A short shutter speed couses a dark band over the image. Since beam
have to trace the entire image atleast once. I use a stable tripoid
and a shutter speed around 0.5 sec. You have to try out the exact
exposure figures for the screen you use.

Sven-Ove Westberg, CAD, University of Lulea, S-951 87 Lulea, Sweden.
Internet: sow@cad.luth.se


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