Product no.: 15907Manufacturer: Lunt Solar Systems
Express shipment possible for delivery tomorrow, 27.04.2019!
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Please note that this product desciption was translated by a computer. For more information please contact our english speaking customer service.
This etalon sun filter is compatible with all LS50FHa filter systems and LS60THa telescopes of Lunt Solar Systems.
By adding this etalon system allows the FWHM reduce to ~ <0.55 Angstrom (dependent upon scope). Thus the contrast is increased significantly on the solar surface, which more details on the sun are visible.
If the filter only single-stacked is used with an optional blocking filter, then the half-width is <0.75 angstroms.
Please note: only to use as a double-stack filters or together with an additional available blocking filter.
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