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A 10% deposit is required for all Lunt Solar filters at the time of order. The balance will be charged when the telescope ships.

Introducing the LS50 Hydrogen-alpha system: a 50mm aperture (no central obstruction) integrally tuned etalon for use on any customer supplied refractor. System includes the B3400 standard for use on telescopes up to 3400mm focal length.


  • Aperture: 50mm
  • Focal Length: Customer Supplied Scope
  • Band Pass: <0.75 Angstroms RMS
  • Color: Pearl White with Black Anodize

System Includes:

  • LS50 Ha Filter
  • B3400 Blocking Filter
  • Re-enforced case with foam