Thanks Tony
I have a small magnifier that clips onto the viewfinder, I got it as an acessory to my old Canon T70. Its called the Magnifier S
http://www.majid.info/mylos/weblog/2003/07/06-1.html
Why they discontinued it I will never know, it wasnt that dear even as new and is VERY handy for focussing on stars, if you can pick up one off Ebay its well worth it.
Scott