LUNT Blue-Glass 20mm for B400 to B1800 blocking-filters

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LUNT Blue-Glass 20mm for B400 to B1800 blocking-filters

Spare part for blocking-filters from LUNT SOLAR SYSTEMS, suitable for B400, B500, B600, B1200 and B1800 blocking-filters.

The H-alpha telescopes and filter systems from Lunt Solar Systems each include a blocking-filter. The blocking-filters have a blue colored filter part on the side facing the telescope. This blue colored filter parts may become a milky white layer at older blocking-filters if the blocking-filter was storded at high air humidity for some time. Please always store H-alpha telescopes and filters as dry as possible. If this blue colored filter part has become a milky white layer, it can be replaced with this spare part. The replacement is easy and can be done by the user himself. Installation instructions can be found here under the "Manuals" tab as a PDF for download.

Please note that this replacement part can only be used on Lunt Solar Systems blocking-filters B400 to B1800. If the problem happens with the large B3400 blocking-filter, the B3400 must be sent to our service department for repair.

Features

• Diameter: 20mm
• Cannot be used separately, only as spare part at blocking-filters from Lunt Solar Systems
• For B400, B500, B600, B1200 and B1800 blocking-filters
• It does not matter if the blocking-filters are installed in 90° zenith-mirrors or straight extension-tubes

• Spare part 20mm blue glass for B400 to B1800 blocking-filters

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