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- Path: sparky!uunet!gumby!wupost!zaphod.mps.ohio-state.edu!pitt.edu!karol
- From: karol+@pitt.edu (Filip M. Gieszczykiewicz (fmgst+@pitt.edu))
- Newsgroups: sci.electronics
- Subject: Re: IR detector tube wanted
- Message-ID: <9244@blue.cis.pitt.edu.UUCP>
- Date: 6 Nov 92 19:07:41 GMT
- References: <1d5rgeINN9v6@clover.csv.warwick.ac.uk>
- Sender: news+@pitt.edu
- Followup-To: sci.electronics
- Organization: University of Pittsburgh
- Lines: 55
-
-
- PLEASE REPLY TO "fmgst+@pitt.edu" NOT TO THIS ACCOUNT.
-
- In article <Bx8soG.BrD@melpar> you write:
- >I assume you're referring to image intensifier tubes (aka microchannel
- >plates or MCP's), since these are the only imaging tube in common use
- >that preserves geometric information.
- >
- >New tubes run arount $1.5K plus, but you can pick up used ones for circa
- >$800 from an outfit called MWK incorporated. These tubes have a built in
- >power supply (give 'em 3 volts and you're in business), but they ARE used,
- >and MCP's tend to have limited lifetimes (on the order of 500 to several
- >thousand hours).
-
- Greetings. While this is true... I see an ad for another
- company that has these MUCH cheaper (this is from Radio
- Electronics mag) the Company is:
-
- OATLY ELECTRONICS
- 5 Lansdowne Parade, Oatley
- Sydney NSW Australia 2223
-
- "Total cost for Insurance & air mail is $20 for one or
- as many of the following items" They take plastic.
-
- (small ad - only 3 pictures/items)
-
- 1) Visible Laser Diode head. 5mW/670nM for $99
- for another $10 they'll sell a PCB, plans, & parts
- for a constant current PS (pulse and cont)
-
- 2) "Infa-red Night viewer bargain" 5" long, all lenses,
- will focus from 4" to infinity... response 600-1300 nM
- include PS kit, case, & cables. also comes with a 3" IR
- filter for torch... can get EHT PS for $25
- Price $189
-
- 3) "Second generation tubes" 18mm fiber-optic coupled
- tubes. Used, military, some blemishes, but WORKS very well.
- ...produces picture with starlight...requires 3V battery
- and switch to work...No lenses included (or so it seems)
- but plastic lenses may be use. Price $450 for tube & specs.
-
- I have no connections but #2 looks MIGHTY good! :-)
-
- Take care.
-
- P.S. It says that the EHT (#2's) PS can drive any "older
- prefocussed tubes and will even drive tubes like the
- 6032/A. Instructions provided..."
- --
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