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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
The Explore Scientific AR102 Air-Spaced Doublet Refractor delivers stunning
Because your telescope may not fit in its case with the finder-scope attached
The 102mm aperture gathers ample light
Length 83mm
and a red dot finder for easy navigation
Nebula Filter Oxygen III 1.25-inch Skill Level_Intermediate The Explore Scientific AR102 Air-SpacedExplore Scientific Nebula Filter 1. 25" O III Range from 483nm to 511nm with peak at 496nm. Transmission 96. 7% Oxygen III This is the highest contrast Nebula Filter in the series, a line filter for only the two emission lines of oxygen. A great choice for observations of supernova remnants and other nebulae that glow in OIII. Other types of objects that glow in all parts of the visible spectrum (e. g. galaxies) are reduced visibly, but some normally
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