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Diagonals

  • 45-Degree Erecting Prism - 1.25" - D1032

    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...

    $69.00
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  • 90-Degree Erecting Prism with Focuser

    90-Degree Erecting Prism with Focuser

    This 1 1/4", 90 degree erecting prism is the same as used on our top rated Stellarvue finder scopes. This is a correct image erecting prism. The helical focuser has a rubber grip and provides about .6" of travel. Many purchase these to be able to do fine...

    $79.00
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  • Dielectric Star Diagonal - 1.25" - D1030

    Dielectric Star Diagonal - 1.25" - D1030

    The 1.25" star diagonal Comes with a thick, precision, optical flat mirror with an enhanced 99% reflective dielectric coating. Compression ring holds eyepieces firmly. Aluminum construction with carbon fiber side plates. The 1.25" female insert tube...

    $99.00
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  • Dielectric Star Diagonal - 2"- D1028ECF

    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"...

    MSRP: $189.00
    $159.00
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  • Quartz Dielectric Star Diagonal - 2" - D1040Q

    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 low expansion Quartz mirror. The mirror has a protective, dielectric coating with 99% reflectivity...

    $249.00
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