Lunt Solar Systems LS40THa Premium Kit - 40mm Dedicated H-Alpha Solar Telescope

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LS40THa Premium Kit — 40mm Dedicated H-Alpha Solar Telescope Double-stack performance in a grab-and-go package. Now with new-generation etalons — every unit individually tested on Lunt's precision metrology equipment. Every specification is verified, not estimated. Now with new-generation etalons — every unit individually measured at 656.28nm on Lunt's precision metrology equipment. Every specification is verified, not estimated. The LS40THa Premium Kit delivers the finest double-stack performance available in any 40mm solar telescope. The front-mounted LS40FHa double-stack filter adds a second 0.35Å tilt-tuned etalon to the optical path, placing two etalons of equal specification in series. Combined system bandpass: Show more