H-alpha filters

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Lunt LS50FHA/B3400S H-Alpha solar filter

Lunt LS50FHA/B3400S H-Alpha solar filter

Lunt LS50FHA/B3400S Etalon H-Alpha solar filter features 50 mm aperture, bandwidth 0.75A and B3400S blocking filter for telescopes up to 3060 mm focal legnth with 50.8 mm focuser.

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Lunt LS50FHA/B3400S H-Alpha solar filter

Lunt

LT-0550207

New product

Lunt LS50FHA/B3400S Etalon H-Alpha solar filter features 50 mm aperture, bandwidth 0.75A and B3400S blocking filter for telescopes up to 3060 mm focal legnth with 50.8 mm focuser.

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4 205,00 €

Ordered upon request

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LUNT LS50FHa/B3400 H-alpha solar filter

50mm H-alpha solar filter system with B3400 blocking filter, for front mounting at telescopes with 2" focuser, and up to 3060mm focal length.

The LS50FHa H-alpha Etalon filter system with 50mm aperture (no central obstruction) for use on any refractor and many other telescopes. Because the LS50FHa has an estimated bandwidth of <0.75 Angstrom it is capable to providing high contrast views of both solar surface and edge detail (prominences).
The system includes the B3400 blocking filter, which is usable for telescopes up to 3060mm focal length. The blocking filter is installed in a straight extension tube for 2" focuser. This extension tube is equipped with a reception for 2" eyepieces and a adapter for 1.25" eyepieces.

Adding an additional available double-stack Etalon system will reduce the bandwidth to ~<0.55 Angstrom.

Technical data:
• Aperture: 50 mm
• No central obstruction
• Bandwidth: <0.75 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
• Blocking filter: B3400 in extension tube for 2" focuser
• Maximum focal length of telescope: 3060 mm

Delivered by order:
• LS50FHa solar filter
• B3400 Blocking Filter (for 2" focuser) in extension tube
• Transport case
• Instruction manual

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