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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Yep, made one of these myself. Still attached to my spectroscope -attached to a 10" but not used for years.
Just of interest, the Surplus Shed seems not to deal with these any more?
Did find some similar items at Edmond Optical? for a huge cost.
Any ideas