Quote:
Originally Posted by Merlin66
Interesting...
We've been using the Vixen flip mirror body (#2680) - with similar T thread ports replacing the mirror with a 80/20 beamsplitter as a solution to slit spectroscope guiding for many years.
"Astronomical Spectroscopy for Amateurs", p220
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Interesting, was just considering something similar myself.
Where did you get the 80\20 mirror ?
What modifications did you have to make to the internals of the Flip Mirror ?
(I have one myself and it had crossed my mind to look at )