Lunt Solar Systems LS40FHa Front Mount 40mm Double Stack Solar Filter

All-Star Telescope Canada Verified independent store

→

Now equipped with Lunt’s newer, higher-performing etalons, these telescopes deliver a tighter ≤0.35Å FWHM per etalon, improved from the previous ~0.55Å design. In double-stack conf iguration, system bandwidth drops to approximately 0.22Å for even greater contrast and finer solar surface detail. LS40FHa Double Stack Solar Filter The Lunt LS40FHa Solar Filter is a 40 mm aperture (no central obstruction) integrally tuned etalon for use on Lunt Dedicated 40 mm Telescopes The Lunt LS40FHa Double Stack Unit is intended for use with the Lunt 40mm Dedicated Hydrogen Alpha System and requires a Lunt Solar Systems Blocking Filter (this is a safety requirement). Because the LS40FHa Solar Filter has an estimated bandpass of Show more