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Imaging Extension Rings

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  • 2" Extension ring for A-T Ritchey-Chrétien astrographs
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    $34.95 - $34.95
    $34.95
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    $34.95

    Astro-Tech 2" Extension Ring for A-T Ritchey-Chrétien Astrographs

    Astro-Tech
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    This Astro-Tech 2" long x 90mm diameter extension ring can be installed between the rear cell of an Astro-Tech Ritchey-Chrétien astrograph and its ...

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    $34.95 - $34.95
    $34.95
    $34.95 - $34.95
    $34.95
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