Coronado DS SM40 W/TMax
Coronado Adapter Plate #CI-AP185:
Required to double stack a CI-SME40 external primary Etalon, double stacking an original 40 mm Coronado or Coronado II telescope such as a CI-SMT40 or CI-PST. 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.
- Adapter for Coronado primary Ha filter
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