"Stephen Paul" wrote in message ...


Does anyone have a web page with images like Bryan's, that is more
comprehensive on the _process_, without going into overkill optical theory
like you'll find with Nils Olof Carlin. I am sure that these guys know there
stuff real well, but I just don't understand it. In fact, I don't _want_ to
understand it, I just want to _do_ it.

Here are some alternatives...

http://www.rfroyce.com/collimat.htm
http://www.efn.org/~mbartels/tm/collimat.html (more URLs at the end of this too)

Regards,

Duane