Lunt LS60FHa2/B600 60mm H-Alpha Etalon-Filter-System with B600 Blocking Filter for 2-inch Focusers
Lunt H-alpha Single Pass Front Mount Etalon System for telescopes with 2" focuser and up to 540mm focal lentgh.
A filter system to convert your existing astronomical refractor telescope to a professional solar telescope...
- LS60FHa Main Filter
- Aluminium Transport case
- B600 Blocking Filter for 2" focuser in a star diagonal
The LS60 Hydrogen-alpha filter system with 60mm aperture (no central obstruction) integrally tuned etalon for use on any refractor and many other telescopes. Because the LS60FHa has an estimated bandwidth of <0.7 Angstrom it is capable to providing high contrast views of both surface and edge detail.
The system includes the B600 blocking filter, which is usable for telescopes up to 540mm focal length. Larger blocking filters suitable for longer focal length are also optional available. The blocking filter is installed in a 90° star diagonal for 2" focuser. This diagonal is equipped with a reception for 1.25" eyepieces and a T2 camera connection.
Adding an additional available Double-Stack etalon system will reduce the bandwidth to approximately <0.5 Angstrom.
Aperture: 60 mm
No central obstruction
Maximum focal length of telescope: 540mm
Bandwidth <0.7 Angstrom
Tuning: tiltable Etalon
Housing diameter: 95 mm
Front thread: M90x1 female thread
Rear thread: M90x1 male thread
Weight: 0.85 kg
Blocking filter: B600 in star diagonal for use in a 2" focuser
Please note: additional adapter plates are available for various telescope diameters
AVAILABLE ON BACK ORDER! (ETA: about 1-3 weeks)
LUNT LS60FHa2/B600 (0550251)
The LUNT Zoom Eyepiece with variable focal length from 7.2mm to 21.5mm, with 1.25" connection.
Lunt Double-Stack Etalon Solar-Filter for all LS60FHa Filter-Systems and LS60THa Telescopes.
Additional info about LS60FHa
These H-alpha filters have full 60 mm clear aperture without obstruction, despite their size! The bandwidth is <0.7 Angstrom, and with optional double-stacking you get about <0.5 Angstrom.
The filters are installed in the same housing as the smaller LS50FHa filters and can also be combined with the 60 mm LS60THa telescopes.