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Create the page "Coma corrector" on this wiki! See also the page found with your search.

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  ====Coma==== ...if you have a short [[focal ratio]] Newtonian reflector (which has strong coma), you will notice it more easily in wide angle eyepieces than eyepieces wit
  8 KB (1,285 words) - 22:07, 17 May 2019