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

Name: Lunt Solar Systems Blue-Glass 20mm for B400 to B1800 blocking-filters
Brand: Lunt Solar Systems
Price: 15.9 USD

$ 15,90 incl. TVA plus costuri de livrare

in stoc
gata de livrare in 24 h + timp de tranzit

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Spare part, not usable separately
Only for blocking-filters from Lunt Solar Systems
Only for B400, B500, B600, B1200 and B1800
Not suitable for B3400

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.