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Protostar quartz secondary and spider for sale

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Protostar quartz secondary and spider for sale. Secondary mirror is 1.52” ULS Quartz, S/N Q150635. Mirror has two very faint scratches but does not affect view. I believe spider is an Astro-Systems and is in excellent shape. This assembly fits a 10 inch Newtonian tube assembly.  Conus sale only.