LUNT 60mm H-alpha Double Stack Etalon Solar-Filter
Product.Nr.:
LS#0550250
Manufacturer: Lunt Solar Systems
2.999,00 EUR
incl. 19 % VAT
products condition NewCondition
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product description
- 60mm Front Filter System for double stacking
- Fully unobstructed
- Bandwidth of <0.7 to <0.5 Angstrom
- WITHOUT Blocking Filter
- Transport case
LUNT LS60FHa
The Double-Stack Etalon Solar-Filter for all LS60FHa Filter-Systems and LS60THa Telescopes.
Double-Stack Etalon for all LS60FHa filter systems and LS60THa telescopes. Adding this additional Double-Stack etalon system will reduce the bandwidth to ~<0.5 Angstrom (dependant upon used telescope). So you will have much more contrast and more details on the sun will be visible.
Technical data:
- Aperture: 60 mm
- No central obstruction
- Bandwidth double stacked: <0,5 Angstrom
- Tuning: tiltable Etalon
- Housing diameter: 95 mm
- Length: 85 mm
- Front thread: M90x1 female thread
- Rear thread: M90x1 male thread
- Weight: 0.85 kg
ATTENTION: 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.
Delivered by order
- LS60FHa Main Filter
- Transport case
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