Lunt 50mm H-alpha Double Stack Etalon Solar-Filter

Product code: LS50FHa
£1,356.00
Lunt 50mm H-alpha Double Stack Etalon Solar-Filter
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Lunt 50mm H-alpha Double Stack Etalon Solar-Filter

LUNT LS50FHa (0550200)

The Double-Stack Etalon Solar-Filter for all LS50FHa Filter and LS60THa Telescopes.

  • LS50FHa Main Filter
  • Transport case
Double-Stack Etalon for all LS50FHa filters and LS60THa telescopes. Adding this additional Double-Stack etalon system will reduce the bandwidth to ~<0.55 Angstrom (dependant upon used telescope). So you will have much more contrast and more details on the sun will be visible.

Technical data:

  • Aperture: 50 mm
  • No central obstruction
  • Bandwidth double stacked: <0,55 Angstrom
  • Tuning: tiltable Etalon
  • Housing diameter: 95 mm
  • Length: 73 mm
  • Weight: 0.7 kg
  • Front thread: M90x1 female thread
  • Rear thread: M90x1 male thread
Without Blocking Filter! Only for use as double-stack filter, or together with a additional available blocking filter. If the filter is used only single stacked together with a optional blocking filter, then the bandwidth is <0.75 Angstrom.
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MPN LS50FHa
GTIN 4007922013275
EAN 4007922013275
Product Code LS50FHa
Brand Lunt
Condition New