Night Vision Scope From Scavenged Parts
Caydel writes "Greg Miller appears to have built a Night Vision Scope out of an image intensifier tube, and parts he found mostly in dumpsters. Also on Greg's site: Flyback transformers, coil guns, plasma globes and Tesla coils made from dumpster materials." You get the feeling he's not also writing product safety manuals on the side.
It's angelfire, so bandwidth limit probably won't take long to be reached.../ infrared.html
http://www.angelfire.com.nyud.net:8090/80s/sixmhz
Also, this project was from May '03.
I managed to get most of the pages in before the /.ing
Hack A Day's story referencing Miller's night-vision project can be found here;
http://www.hackaday.com/entry/1234000107028849/
Lots of similar DIY projects, including peltier beverage coolers and linux-powered weather balloons, can be found at;
http://www.hackaday.com/
$20 example
Webcam image sensor have been sensitive to infrared for ages.
Finally, some manufacturers have got the sense to leverage that by removing the infrared filter in front in the lens, and adding some infrared LEDs for illumination.
I've got one, and played around with it to get a similar picture as the guy in the article got with his image intensifier tube.