What would be the best resolution achievable in the visible range with a typical department store-sized refracting telescope with a primary lens 5 cm (0.05 m) in diameter, even if it had perfect optics?

0 votes
     0.001 seconds of arc
      1 second of arc
      0.01 seconds of arc
      10 seconds of arc
      0.1 seconds of arc
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
10 seconds of arc
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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