Hi Cris,
Confusing. The SharpStar website describes it several times as a doublet as you read down the page. The image of the lens cell also shows "doublet".
Not trying to pick holes but I've looked at the 60ED online quite a few times after Stellarvue and then TS started selling them and they were/are doublets.
Not sure why SharpStar would change it to a quad design when they already have the 65Q?
Sorry, not meaning to derail this thread.
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