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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
With a 102mm aperture and a 1000mm focal length (f/9
a smartphone adapter
and details begin to materialize that may not have become apparent to you at first glance
due to the over-sized knurled knobs that are attached to the end of each cable
and dual primary mirror fans for fast cooling (AA batteries for fans sold separately)
Nebula Filter Oxygen III 1.25-inch eclipse With a 102mm aperture andExplore 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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