Ken,
managed to get some time to work out what I was doing. I've placed the fibre in an old 1.1/4" webcam adapter in the eyepiece holder of the scope, the other end at the back of a 135mm slr lens to collimate the light. From there I can place the 350D, with the SA100 on the front of a 135mm lens, and focus on the end of the fibre. The lens are basically 1" apart. The setup looks very similar to the LORIS spectroscope on Christian Buils website, but the entrance slit has been replaced by the fibre.
Tests last night on a 12V red neon + a halogen desk lamp show approx 3 - 4 angstrom/pix.
I'll post some photo's of the setup when I can..
Now, to just get the grating.....
cheers
Mark