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Re: [OM] Re: olympus-digest V2 #504

Subject: Re: [OM] Re: olympus-digest V2 #504
From: WKato@xxxxxxx
Date: Sun, 20 Sep 1998 12:31:11 EDT
In a message dated 98-09-20 09:24:41 EDT, you write:

<< > > I was asking because in an book on Novoflex lenses they showed how to
 > > adjust this lenses from terrestial to astronomical infinity. Maybe the
 > > atmosphere is a more limiting factor in horizontal, than in vertical
 > > direction? So the coloured fringes might be a product of not proper
 > > infinty? Just a guess...
 > 
 > I haven't a *clue* what they're talking about.  Infinity is infinity!  Do
 > you still have the book?  Can you quote what they say?
 > 
 > Michael A. Covington  /  AI Center  /  The University of Georgia
 > Author, Astrophotography for the Amateur
  >>

Maybe it's an adjustment for optimization for sharpest focus for either
terrestial distances, like between 50x, and true infinity.

Warren

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