Archived posting to the Leica Users Group, 1999/09/14

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Subject: [Leica] Light Falloff: Hologon and Heliar lenses
From: "Frank Filippone" <red735i@earthlink.net>
Date: Tue, 14 Sep 1999 19:29:45 -0700
 
Marc... what is the equation for light fall off in the Hologon and Heliar?
Is it the secon/third/fourth power?  In Fstops works as well.....DItto the
super wide angle view camera lenses.... I just forget the name....Super
Angulon?

I may have found a cheap solution........

Frank