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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
this device will reduce your f-ratio by 0
The 102mm aperture gathers ample light
and a red dot finder for easy navigation
Now install the medium-powered eyepiece and check your view
Length 83mm
Nebula Filter Oxygen III 1.25-inch Skill Level_Intermediate this device will reduce yourExplore 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
