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Diagonals

  • 45-Degree Erecting Prism - 1.25" - D1032

    High quality unit uses compression ring and has a tapered insert tube for better alignment. Provides images that are right side up and correctly oriented. Aperture is about 25mm. Fully multi-coated.   The 1.25" female insert tube on this...

    $69.00
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  • Dielectric Star Diagonal - 1.25" - D1030

    Comes with a thick, precision, optical flat mirror with an enhanced 99% reflective dielectric coating. Compression ring holds eyepieces firmly and the insert tube has the safety groove and filter thread. All aluminum construction. Individually tested...

    $99.00
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  • Dielectric Star Diagonal - 2"- D1028ECF

    This diagonal uses a thick, over-sized mirror polished to 1/10th wave. The mirror has a protective, dielectric coating with 99% reflectivity. The body has carbon fiber sides. It has a collet type twist lock on the 2" eyepiece tube and the deluxe 1.25"...

    $189.00
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  • 45-Degree Correct Image Erecting Prism - 2" - D1035

    Our new 2" fully multi-coated 45 degree correct image erecting prism will turn your Stellarvue telescope into the ultimate terrestrial scope. Comes with 1.25" compression ring adapter. Use this prism with a large 2" wide field eyepiece for porthole...

    $209.00
  • Quartz Dielectric Star Diagonal - 2" - D1040Q

    This is the most advanced version of our most popular diagonal. It was designed by Vic Maris and uses a thick, over-sized mirror polished to 1/10th wave. The mirror has a protective, dielectric coating with 99% reflectivity. It has a compression ring...

    $249.00
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