Astrozap
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Astrozap Focusing cap w/ built-in Bahtinov focusing mask for 10" Schmidt-Cassegrains and similar scopes
$129.00This Astrozap Bahtinov mask focusing cap fits most 10" Schmidt-Cassegrains, or any scope with an optical tube outer diameter between 280mm and 298mm . . . -
Astrozap Focusing cap - built-in Bahtinov focusing mask for Celestron 4" or Meade ETX105 Maks
$78.00This 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 . . . -
Astrozap Focusing cap - Bahtinov focusing mask - Celestron 5" SCT or Astro-Tech AT115EDT
$88.00This 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 . . .