Quote:
Originally Posted by Ukastronomer
It is a fact that the central obstruction results in degraded contrast from reflecting/sct scopes etc as compared to a refractor, pure Physics
I have all three and the triplet is best
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The contrast of galaxies visually is largely from the amount of photons your eyes can see. This is how aperture trumps unobstructed.
A 16” RC with a 50% obstruction will still leave a 4-5” APO for dead for contrast.