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Home > Glossary > Telescopes > Optics > Lens design

More information:

  • Doublet
    A refractor with two lenses. Compared to an achromat, it displays significantly less chromatic aberration and more contrast.
  • Triplet
    A lens telescope that almost completely corrects chromatic aberration. It consists of three lenses and offers very high optical performance thanks to its design.
  • 14.06.2021


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