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  1. Astrozap Focusing cap - Bahtinov focusing mask - Celestron 5" SCT or Astro-Tech AT115EDT

    $88.00
    This Astrozap Bahtinov mask focusing cap fits Celestron 5" SCT or Meade ETX125 Maksutov-Cassegrains, the Astro-Tech AT115EDT apo refractor, or any scope with an optical tube outer diameter between 136mm and 146mm . . .
  2. Astrozap Focusing cap - built-in Bahtinov focusing mask for Celestron 4" or Meade ETX105 Maks

    $78.00
    This Astrozap Bahtinov mask focusing cap fits Celestron 4" or Meade ETX105 Maksutov-Cassegrains, or any scope with an optical tube outer diameter between 110mm and 120mm . . .
  3. Astrozap Focusing cap with built-in Bahtinov focusing mask for 80mm refractors and similar scopes

    $77.00
    This Astrozap Bahtinov mask focusing cap fits most 80mm refractors, such as the Astro-Tech AT80EDT, or any scope with an optical tube outer diameter between 101mm and 110mm . . .
  4. ZWO EAF Hand Controller

    $39.99
    A “must-have” option for EAF users!
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