this post was submitted on 10 Jul 2026
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Physics

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Keplerian or astronomical telescope (2005) (upload.wikimedia.org)
submitted 1 day ago by Innerworld@lemmy.world to c/physics@mander.xyz
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  1. Objective lens
  2. Oocular (eyepiece)
  3. Eye
  4. Object (at a large distance)
  5. Real Image of the object at the focal plane of the objective lens (here, a film or CCD detector could be placed for photographing the object)
  6. Virtual Image of the object (as it appears to the eye)
  7. Tube

Author: Michael Schmid

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