Narrow Band Hydrogen-alpha (656.28nm) Dedicated System.
A refractor based system with a 60mm front objective.
An internal Etalon with a NEW pressure tuner allows for a <0.70 Angstrom bandpass.
B1200 is included for  a wider field of view and/or plan to do some imaging with a standard camera.

The system includes the clamshell with threaded holes for mounting, dust caps, and is delivered in an Aluminum re-enforced case.