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  • Add an internal double-stacking module to a Lunt LS100THa solar telescope for a lowered bandpass of <0.5 Angstroms!
  • The LS100THa DSII includes a pressure tuner for true Doppler tuning.
  • Add the DSII to a new LS100THa at the time of order, or add it yourself to your own LS100THa, no trip back to the factory required!