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Ships within 48 hours · Estimated delivery Nov 18 - Nov 23
Your long night has been marred by coma
observations of active regions of the sun
requires purchase of an additional adapter
Hallo Northern Sky
high-quality 90mm air-spaced doublet lens
Neutral Density Filter 2" ND 0.9 10x42 Your long night has beenThe neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradiation when observing the Moon with any telescope 4"(10. 2cm) and larger. The ND96 filter may also be employed in the splitting of close double stars where one of the binary pair significantly exceeds the other in brightness. Color Filter #ND96 Moon Filter (0. 9 density; 13% transmission)
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