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Lunt H-Alpha Double-Stack Etalon 100 mm solar filter




Lunt H-Alpha Double-Stack Etalon 100 mm solar filter for all LS100FHa filter-systems and LS100THa telescopes.

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9 230,00 €

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LUNT LS100FHa H-alpha double-stack solar filter

100mm H-alpha double-stack solar filter, for all LS100FHa filter-systems and LS100THa telescopes.

This double-stack Etalon is compatible to all Lunt Solar Systems LS100FHa filter-systems.
Also the LS100THa H-alpha solar telescopes can be very easily double-stacked by using this 100mm double-stack filter. This combination offers high quality double-stacking to the observer.
Adding this additional double-stack Etalon system will reduce the bandwidth to ~<0.5 Angstrom. So you will have much more contrast and more details on the sun will be visible.

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 <0.7 Angstrom.

Technical data:
• Aperture: 100 mm
• Bandwidth double stacked: <0.5 Angstrom
• Tuning: tiltable Etalon
• Housing diameter: 162 mm
• Length: 101 mm
• Weight: 2.75 kg
• Front thread: M120x1.5 female thread
• Rear thread: M120x1.5 male thread

Delivered by order:
• LS100FHa solar filter
• Transport case
• Instruction manual

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