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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
a smartphone adapter
Featuring true diffraction-limited optics with a wide-field f/6
precise manual tracking
The closer you move the transmitter coil to the piece of metal
and dual primary mirror fans for fast cooling (AA batteries for fans sold separately)
Nebula Filter Oxygen III 1.25-inch eclipse a smartphone adapterExplore 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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