Can anyone who has used both of these mounts report his opinion which of these two mounts offers more rigidity ?
AP 1200: 81 lbs. RA axis: hollow 85mm; DEC axis: hollow 60mm
Parallax HD200: 105 lbs, both axis are solid 51 mm shafts.
OTA would be a 50 lbs 8" f/20 refractor.
Superior stability - AP1200 or Parallax HD200 ?
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