Coronado Adapter Rings for Double Stack Filters

MSRP: $24.99 - $34.99 Please see your local authorized reseller for pricing and availability.

View All Specifications

  • Adapter rings for older SM/SMT Coronado primary Ha models
  • When coupled to 2nd etalon, reduces original 0.7 angstrom bandpass of the Hydrogen-Alpha telescope to 0.5 angstrom
  • Designed for older SM Etalon models - not needed for SME60 or SMIII systems
  • Threads components solidly together, ensuring a tilt free connection
  • Designed and Manufactured in North America

Where To Buy?

  • Woodland Hills Camera & Telescopes
  • Orion Telescopes & Binoculars
  • High Point Scientific
  • Mile High Astronomy
  • Astroshop.eu
  • Agena Astro
  • Khan Scope
  • First Light Optics
  1. Coronado Adapter Rings for Double Stack Filters
    Coronado Adapter Ring for 40mm Double Stack Filter
    MSRP: $24.99
    Required to double stack an SME40 external primary Etalon, double stacking an original 40mm Coronado or Coronado II telescope such as an SMT40 or PST.
  2. Coronado Adapter Rings for Double Stack Filters
    Coronado Adapter Ring for 60mm Double Stack Filter
    MSRP: $32.99
    Required to double stack an SME60 external primary Etalon, double stacking an original 60mm Coronado or Coronado II telescope such as an SMT60. Telescope and double stacking filter sold separately.
  3. Coronado Adapter Rings for Double Stack Filters
    Coronado Adapter Ring for 90mm Double Stack Filter
    MSRP: $34.99
    Required to double stack an SME90 external primary Etalon, double stacking an original 90mm Coronado or Coronado II telescope such as an SMT90. Telescope and double stacking filter sold separately.

These adapter rings are required to double-stack a second external primary Etalon filter onto older models of the SM line. Telescope and double stacking filter sold separately.

When double-stacking etalon filters, the original 0.7 angstrom bandpass of the Hydrogen-Alpha telescope is reduced to 0.5 angstrom, dramatically increasing visibility of surface detail such as granularity and active regions on the surface of the Sun.

Note, these adapter rings are only required to stack an additional etalon onto the original SM/SMT models. It is not required if you have a newer SME60 or SMIII system. Telescope and double stacking filter sold separately.

Designed and Manufactured in North America.

Warranty:
Limited Warranty against defects in materials or workmanship for two years from date of purchase. This warranty is provided by Meade for the benefit of the original retail purchaser only. For complete warranty details contact Meade at 800-626-3233.
User level
Advanced
Warranty
Two year