Archived posting to the Leica Users Group, 1997/11/20

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Subject: Bokeh TEST?
From: Stephen <cameras@jetlink.net>
Date: Thu, 20 Nov 1997 07:40:49 -0800
 
If Bokeh  exists, we should be able to set up a standard test for it,
to compare one lens against another.

Does anyone know if a standard Japanese Bokeh test method already
exists?

For instance, if we have a staggered line of what's its at 5,10,15,20
and 30 feet, vary the focus on each what's it while also varying the
f/stop under standard lighting conditions, we should be able to compare
the Bokeh, or the BS between one lens to another.

Does anyone have any better idea method??   if this thing exists, we
should be able to measure and compare it from lens to lens.

Regards,

Stephen Gandy