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Celestron Radial OAG
Bought from Telescope Services a few years ago but now use the TS-9mmOAG. This OAG has 120 degree rotation and a screw to alter the prism angle for finding guidestars, prism is of a decent size. Has T fitting one side and 48mm fitting the other, takes about 25mm of backfocus.
Asking 120 AUD plus carriage.
John.
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