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Etalon Filter With B3400 Ls50Fha 50mm To 50.8mm View larger

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Etalon Filter With B3400 Ls50Fha 50mm To 50.8mm

Etalon Filter With B3400 Ls50Fha 50mm To 50.8mm

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Etalon Filter With B3400 Ls50Fha 50mm To 50.8mm



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3 885,00 €

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The filter H-alpha Etalon LS50 has a 50 mm diameter (without obstruction) is perfect for use with refractor or catadioptric instruments. Due to its lower bandwidth to 0.75 Angstrom can 'provide good images of the surface detail is that those on the edge of the sun.

The system includes a blocking filter B3400, suitable for telescopes with a focal length up to 3060mm. Filters capture more 'big are required for more focal. The blocking filter and 'installed in an extension for 50.8mm focusers. This diagonal and 'equipped with gear 31.8mm and has a T2 photo application.


  • Diameter: 50 mm
  • No central obstruction
  • Bandwidth: <0.75 Angstrom
  • Tuning: tiltable Etalon
  • cell diameter of the filter: 95 mm
  • Length: 73 mm
  • Weight: 0.7 kg
  • Front thread: M90x1 female
  • Fillet back: M90x1 male
  • Filter lock: B3400 in extension 50.8mm focusers
  • maximum focal length of the telescope: 3060 mm

    Adding a filter 50mm for the Double-Stack and 'can reduce the bandwidth to values ​​lower than 0.5 Angstroms.

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