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Designed to better enable deep sky viewing of nebulae through telescopes featuring a 1.25"-diameter eyepiece, the StarGuy UHC Filter from Vixen Optics increases viewing contrast by blocking a majority of the wavelengths of light pollution in order to gain increased detail. Constructed from optical glass for consistent viewing clarity, this filter passes the H-Alpha, H-Beta, and O-III lines in order to brighten nebulae while darkening the sky background for increased subject definition. The filter is recommended for general use in a variety of viewing conditions.