Archived posting to the Leica Users Group, 1997/11/16

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
Subject: Re: Many are Cold, Few are Frozen
From: Marc James Small <msmall@roanoke.infi.net>
Date: Sun, 16 Nov 1997 14:38:26 -0500
 
Yes, it is standard policy to super-cool photographic, as well as
electronic, cameras for astronomical use.  Films are normally gas-hypered,
then a cool-box camera is used.  See, for examples, the LUMICON ads in
every issue of Sky & Telescope.

The increased sensitivity is to visible light, not cosmic rays, which are
what fog films over a period of decades.

Marc


msmall@roanoke.infi.net  FAX:  +540/343-7315
Cha robh bas fir gun ghras fir!