Archived posting to the Leica Users Group, 2000/03/01

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Subject: [Leica] Apo definitions
From: Mike Johnston <michaeljohnston@ameritech.net>
Date: Wed, 01 Mar 2000 20:26:24 +0000
 
>>>The one person who has studied the apochromatic corrections fully is
Ernst Abbe, and in his writings you find...<snip><<<

Happy to have been of help, Erwin. Of course I was aware that your
question was a baited trap, but I figured I'd learn something from the
ensuing lecture, which I have.

So when did Ernst Abbe die, anyway? ;-)

- --Mike

P.S. Are you still intending to do that article for us about W.M.? I
hope so.