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Home > Classifieds > Astromart Classifieds > Telescope Making > Classified #137353

For Sale: 16" Primary Plus 3.5" Secondary & Spider *SOLD*

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This sixteen inch pyrex f/4.5 primary originally came in an Orion dob made by Discovery. It is in usable condition as is, but be aware that the coating has a few weak spots along the outer edge on one side (see photo). It also appears the coating was applied slightly in from the edge on one half (see Photo.) The 3.5" secondary and spider is in great shape. A good set to build a truss around and later you may want to send the primary off for testing to see if it needs anything other than recoating to turn it into a premium mirror. There are still three pads of silicone on the bottom, and some tape adhesive on the sides I'll let you remove. Will ship to domestic US address only. Payment by PayPal or money order please. Price is $995 shipping included.

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