Patrick:
If you have some spare time on your hands, you can make an IR camera by removing the IR filter from just about any digital camera or webcam. Here's a link of some folks who have done it cheap!
http://www.hoagieshouse.com/IR/
Includes the how-to, and some awesome examples of photos.
-- NP
PS: And to make a cheap underwater digital camera:
http://www.rpi.edu/~bradfe/under/under.html
From: "Patrick" <pat_man_ta@hotmail.com>
Reply-To: personal_submersibles@psubs.org
To: <personal_submersibles@psubs.org>
Subject: [PSUBS-MAILIST] IR Cameras
Date: Tue, 7 Nov 2006 10:36:55 -0500
>IR cameras are availible creaply and at the local hardware store
>now.
>Does anyone know how useful they are underwater (if at all)?
>I am totally ignorant on this one.
>
>Thanks,
>~patrick (who has a new concept sketch to scan BTW)
>
>
>
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