What is the technology behind?

Is there anybody knowing the technology behind the Collins image intensifying eyepiece. I have never seen one, and can hardly be considered a potential buyer, but I'm curious about how it works.

I'm also interested in the principles behind image stabilised binoculars.

Comments from owners of Collins pieces as well as image stabilised binoculars also welcome. Are you satisfied? Is it something every amateur astronomer should own?

The Collins I3 Piece works as advertised, but the images can be garish compared to regular visual. Definitely useful for special applications. Here is a link to general theory:

http://www.x20.org/nightvision/nightvisionTHEORY.htm