Hi Ian
I had the SW 127 mak
I found it was a very good scope on the moon , Saturn and Jupiter
Some of the best views I've had , but they are 1500mm so the f ratio is very slow
Ok on brighter things , struggle on dim stuff
I have never used a 102 acro can't comment on that , but you might get c/a
Although it will be visually brighter
Hope this helps
David
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