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Orion Telescopes
Meade Coronado Adapter Ring for 90mm Double Stack Filter
Accepted Payment
Expected Ship Date: 12/29/2020

  • Adapter for Coronado primary Ha filter
  • Reduces original .7 angstrom bandpass of the Hydrogen-Alpha telescope to .5 angstrom

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Item #  55740b
Mfg Model #  AP190

Coronado Adapter Plate #AP190. 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.
Reduces original .7 angstrom bandpass of the Hydrogen-Alpha telescope to .5 angstrom, dramatically increasing visibility of surface detail such as granularity and active regions on the surface of the Sun.

When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available.


This product is available to ship Standard delivery within the 50 US states. Delivery is not available to APO/DPO/FPO addresses, US territories/protectorates or Canada. 3 Day, 2nd Day and Next Day delivery is not available.


The Return Policy & Procedure for this product is different than Orion's standard return policy. Click here to learn more.

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