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Condition is used, but in flawless condition. Shipped with USPS First Class Package. 
Neutral Density Filter 2" ND 0.9      Explore Scientific SKU 310240  The 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 filter may also be employed in the splitting of close double stars where one of the binary pair significantly exceeds the other in brightness.

Filed under: Eyepieces & Accessories