Quote:
Originally Posted by sopticals
Loftus made a comment: a large aperture with even a fairly mediocre figure will out perform a high quality telescope with small to medium aperture,(my paraphrase).
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I'd certainly disagree with this idea. A smaller telescope with excellent figure will show fainter stars than a larger one with a mediochre figure - so less weight to carry around and less thermal mass. I've seen this myself with an excellent 20" against a 36". When it comes to non - stellar sources things probably get more complicated.