Thread: 45mm diam x 400 EFL achromatic lens
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Old 23-02-2020, 05:45 PM
Saturnine (Jeff)
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Join Date: Jul 2008
Location: Wollongong
Posts: 2,303
Hi Ken
Closest I could find at Surplus Shed was this one, not quite the dimensions. Are you after an doublet achromat or single element convex lens. Good Luck.

https://www.surplusshed.com/pages/item/L14811.html
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