Manufacturer: LUNT Solar
Product number: 60FHa/B3400

EUR 6.499,00


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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The LS60 Hydrogen-alpha filter system with 60 mm aperture integrally tuned etalon for use on any refractor and many other telescopes.

Because the LS60FHa has an estimated bandwidth of <0.7 Ångström, it is capable to providing high contrast views of both surface and edge detail.

The system includes the B3400 blocking filter, which is usable for telescopes up to 3400 mm focal length. The blocking filter is installed in in a straight extension tube for 2" focuser. This diagonal is equipped with a reception for 2" eyepieces and an adapter for 1.25" eyepieces.

Adding an optional double-dtack etalon system will reduce the bandwidth to <0.5 Ångström and therefore enhance contrast significantly.

Important hint: In humid air, blocking filters might tarnish, so keep yours dry. You can get little packages of silica gel for reducing humidity even more. Put one and the filter into a small freezer bag and seal it.
Aperture:60 mm
Bandwidth:<0.7 Ångström
Tuning:tiltable etalon
Housing diameter:95 mm
Length:85 mm
Front thread:M90x1 female thread
Rear thread:M90x1 male thread
Blocking filter:B3400 in extension tube for 2" focuser
Maximum focal length of telescope:3400 mm
LS60FHa Main Filter
B3400 Blocking Filter (for 2" focuser) in extension tube
Transport case



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