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Old 27-07-2020, 12:28 AM
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Don Pensack
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Join Date: Aug 2006
Location: Los Angeles
Posts: 404
Here are a couple links where the Ethos and Delos are members of a group of elite eyepieces that are lab and field tested.:
https://web.archive.org/web/20110622..._oculaires.pdf
https://web.archive.org/web/20130829...aires_10mm.pdf
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