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Astrozap Focusing cap with built-in Bahtinov focusing mask for Meade ETX-90 and similar scopes
$75.00This Astrozap Bahtinov mask focusing cap fits the Celestron C90 and Meade ETX90 Maksutov-Cassegrains, or any scope with an optical tube outer diameter between 90mm and 100mm . . . -
Astrozap Focusing cap w/ built-in Bahtinov focusing mask for most 152mm aperture refractors
$93.00This Astrozap Bahtinov mask focusing cap fits most 152mm aperture refractors, or any scope with an optical tube outer diameter between 193mm and 204mm . . . -
Astrozap Focusing cap w/ built-in Bahtinov focusing mask for 11" Schmidt-Cassegrains and similar scopes
$129.00This Astrozap Bahtinov mask focusing cap fits most 11" Schmidt-Cassegrains, or any scope with an optical tube outer diameter between 298mm and 316mm . . . -
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 . . . -
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 with built-in Bahtinov focusing mask for 80mm refractors and similar scopes
$77.00This 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 . . . -
Astrozap Focusing cap with built-in Bahtinov focusing mask for 8" Schmidt-Cassegrains and similar scopes
$109.00This Astrozap Bahtinov mask focusing cap fits most 8" Schmidt-Cassegrains, or any scope with an optical tube outer diameter between 216mm and 231mm . . . -
Astrozap Focusing cap w/ built-in Bahtinov focusing mask for 12" Schmidt-Cassegrains and similar scopes
$149.95This Astrozap Bahtinov mask focusing cap fits most 12" Schmidt-Cassegrains, or any scope with an optical tube outer diameter between 330mm and 342mm . . . -
Astrozap Focusing cap w/ built-in Bahtinov focusing mask for most 130mm aperture refractors
$90.00This Astrozap Bahtinov mask focusing cap fits most 130mm aperture refractors, or any scope with an optical tube outer diameter between 155mm and 165mm . . . -
Astrozap Focusing cap w/ built-in Bahtinov focusing mask | Meade 10" LXD-75 Schmidt-Newtonian
$129.00This Astrozap Bahtinov mask focusing cap fits the Meade 10" LXD-75 Schmidt-Newtonian, or any scope with an optical tube outer diameter between 280mm and 304mm . . .