The scope has an externally and internally mounted factory matched tunable etalon system for use at both <0.8 Angtroms and <0.55 Angstroms. The optical system has been optimized for the Hydrogen-alpha wavelength. The Double Stack System.. ... Learn More
The scope has an externally and internally mounted factory matched tunable etalon system for use at both <0.8 Angtroms and <0.55 Angstroms. The optical system has been optimized for the Hydrogen-alpha wavelength. The Double Stack System.. ... Learn More
The refractor based telescope is a 60mm front aperture dedicated scope with internal etalon Pressur Tuner adjustment (LS60THa) and a front mounted 50mm unobstructed etalon (LS50FHa). Complete system allows for <0 ... Learn More
The refractor based telescope is a 60mm front aperture dedicated scope with internal etalon Pressure Tuner adjustment (LS60THa) and a front mounted 50mm unobstructed etalon (LS50FHa). The system allows for <0 ... Learn More