Martin, that was why I suggested a 1.5x, his 10"scope would still be significantly faster than any f/10 SCT not fitted with a reducer, and
slightly faster than the f/8 models. Worth a try if not too much money has to be expended in the process.
raymo
Last edited by raymo; 12-04-2022 at 11:13 AM.
Reason: more text
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