Refractor question

Started by P. Tanner, 04/30/2002 09:37PM

Posted 04/30/2002 09:37PM Opening Post

Forum Member

Join Date: Jun 2001

Location: Hot Springs AR, US

Posts: 20

Did AP at anytime ever produce any achromats?
If so what years?
Paul

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Posted 05/01/2002 02:50PM #1

Forum Member

Join Date: Oct 2001

Location: wasilla AK, US

Posts: 495

As I recall, Roland Christen wrote once that he had produced a single achromatic lens, and it can be found in his desk/cabinet/something.

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