Ronald

Great DIY illuminator. What I do not understand:how does this (or the original) work optically ? It looks as if the red LED is simply shining into the scope. For my illuminated finder on my telescope, I have a LD which shines from the SIDE to the etched glass with the crosslines. But this design is just shing fro opposite direction,I would think one would only see red light and no polaris anymore.