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Coronado

3 Items
Coronado 90 mm Double Stack Adapter Ring

Coronado 90 mm Double Stack Adapter Ring - AP190

SKU: COR-AP190
  • This Coronado Adapter Ring is required to double stack on an external primary Etalon for SM90.
  • Coronado's 90 mm Double Stack Adapter Ring is black in color.
  • The telescope and double stacking filters are sold separately.
  • This adapter helps with double stacking which reduces 0.7 angstrom to 0.5 angstrom.
$29.99
Coronado 60 mm Double Stack Adapter Ring

Coronado 60 mm Double Stack Adapter Ring - AP186

SKU: COR-AP186
  • This Coronado Adapter Ring is required to double stack on an external primary Etalon for SM60.
  • Coronado's 60 mm Double Stack Adapter Ring is black in color.
  • The telescope and double stacking filters are sold separately.
  • This adapter helps with double stacking which reduces 0.7 angstrom to 0.5 angstrom.
$19.99
Coronado 40 mm Double Stack Adapter Ring

Coronado 40 mm Double Stack Adapter Ring - AP185

SKU: COR-AP185
  • This Coronado Adapter Ring is required to double stack on an external primary Etalon for SM40.
  • Coronado's 40 mm Double Stack Adapter Ring is black in color.
  • The telescope and double stacking filters are sold separately.
  • This adapter helps with double stacking which reduces 0.7 angstrom to 0.5 angstrom.
$19.99