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  • 2″ Mirror Diagonal with XLT

    Celestron 2″ Mirror Diagonal with XLT

    AED1,063.14
    • 2” SCT mirror diagonal with high performance XLT coatings
    • 1/10th wave mirror is tested with an interferometer to ensure quality
    • Housing is precision machined to achieve and hold good optical alignment
    • Includes a 2” to 1.25” adapter and aluminum carry case
  • 1.25″ Star Diagonal

    Celestron 1.25″ Star Diagonal

    AED194.52
    • Fits telescopes with 1.25” focusers or visual backs, 90° viewing angle, best for observing objects overhead
    • Accepts standard 1.25” eyepieces, Barlow lenses, and other accessories with a 1.25” insert barrel
  • Dielectric Star Diagonal 2” With Twist Lock

    Celestron Dielectric Star Diagonal 2” With Twist Lock

    AED1,315.40
    • Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings
    • Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
    • 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the eyepiece
    • Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment
    • Includes a stepdown adapter, so the diagonal accepts eyepieces, Barlow lenses, threaded filters, and other accessories in both 2” and 1.25” sizes
    • Two interchangeable adapters allow you to switch between a Schmidt-Cassegrain thread adapter and a 2” barrel adapter so you can use this diagonal with a wide variety of telescopes