Article View: sci.electronics
Article #22306Re: night vision !?
From: Jeff Forbes
Date: Tue, 20 Feb 1990 17:38
Date: Tue, 20 Feb 1990 17:38
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1387 bytes
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
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arc1-ca.pugleaf.net!utzoo!attcan!uunet!aplcen!uakari.primate.wisc.edu!brutus.cs.uiuc.edu!ux1.cso.uiuc.edu!aries!forbesReferences:
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!aplcen!uakari.primate.wisc.edu!brutus.cs.uiuc.edu!ux1.cso.uiuc.edu!aries!forbes 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