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From: forbes@aries.scs.uiuc.edu (Jeff Forbes)
Newsgroups: sci.electronics
Subject: Re: night vision !?
Message-ID: <1990Feb20.173854.12194@ux1.cso.uiuc.edu>
Date: 20 Feb 90 17:38:54 GMT
References: <1990Feb20.124704.13677@iesd.auc.dk>
Sender: news@ux1.cso.uiuc.edu (News)
Reply-To: forbes@aries.scs.uiuc.edu (Jeff Forbes)
Organization: School of Chemical Sciences, Univ. of Illinois at Urbana-Champaign
Lines: 20

In article <1990Feb20.124704.13677@iesd.auc.dk> tolboel@iesd.auc.dk (Morten Tolboel) writes:
>
>Some time ago I was in the army. We had a demonstration of
>a small "night vision"-device. You could attach it to your
>helmet and *BINGO* night was turned into day !!! It used
>small penlight batteries which worked for quite a long time.
>
>QUESTION: how does this thing work? Is it a very sensitive
>CCD camera or what ? (it was a passive system!)
>Why is it so damn *EXPENSIVE*  ? (the price we were told was 
>$18000 - $20000; no wonder it isn't standard equipment :-)
>
>/Morten Tolboel

It was probably a microchannel plate intensifier they are rather expensive.
Edmund scientific sells one for about $3500.00. For the DOD multiply
anything by 5 to 10 and you will get their price. Companies love to ride
the DOD gravy train.

		Jeff