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Solar filter LUNT H-Alpha LS50FHa / B1800d2
LUNT0550205
Stock at Supplier
3,056.16
VAT excluded
Shipping 5/7d
LUNT H-Alpha solar filter LS50FHa / B1800d2
Converts a normal telescope up to 1620 mm focal length into an H-alpha solar telescope showing prominences and more
- Special 50 mm filter for sun observation
- For telescopes up to 1620 mm focal length and 2" focuser
- Additional adapter plate required for mounting
- Displays prominences and more detail on the sun.
- Width to Half Height less than 0.75 angstroms
- Filter system with H-Alpha Etalon and blocking filter
- For visual solar observation and photography
- Totally safe, no danger to eyes.
Note: The telescope in the image only serves to show the assembly of the article.
Delivery Options
| Carrier | Description | Estimated Delivery | ||
|---|---|---|---|---|
 |
Home delivery - International | Home delivery - International |
Thursday, 5 December - Thursday, 12 December |
|
Home delivery - International
Home delivery - International
Estimated delivery:
Thursday, 5 December - Thursday, 12 December
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LUNT H-Alpha solar filter LS50FHa / B1800d2
Solar filter system with blocking filter B1800 for front mounting on telescopes with a 2" eyepiece focuser and a focal length of up to 1620mm.
The LS50FHa H-Alfa Etalon solar filter system with 50mm free aperture (no central blocking) can be used with common refractors and almost all other telescopes. The LS50FHa features a half-height width of approx
The system includes the B1800 blocking filter designed for telescopes with a focal length of up to 1620mm. The larger blocking filters, which are available as an option, are therefore for longer focal lengths. The blocking filter is incorporated in a 90° zenith prism for 2" eyepiece focusers. This zenith prism is equipped with an attachment for 1.25" eyepieces and a T2 camera connection.
By supplementing it with an optional available Double-Stack Etalon system you can reduce the width at half height to approx
TECHNICAL SPECIFICATIONS:
PROPERTIES
- Aperture: 50mm
- No central obstruction
- Half-height width
- Tuning: etalon tilting
- Housing diameter: 95mm
- Length: 73mm
- Weight: 0.7 kg.
- Front thread: M90x1 internal thread
- Rear thread: M90x1 external thread
- Filter-blocking: B1800 on 90° zenith prism for 2" eyepiece focusers
- Max. telescope focal length: 1620mm
DELIVERY CONTENTS
- Solar filter LS50Fha
- Blocking filter B1800 (for 2" eyepiece focuser) on zenith prism
- Carrying case
- Instructions for use
Instructions for use
- Color: white
- Material: Aluminum, Glass
Note: The telescope in the picture only serves to show the assembly of the item.
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