Archived posting to the Leica Users Group, 2002/01/01

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Subject: RE: [Leica] Bokeh - proven myth ?
From: "Frank Filippone" <red735i@earthlink.net>
Date: Tue, 1 Jan 2002 20:38:00 -0800

While I disagree with Austin's comments on the 35 Summicron as too wide to
provide Bokeh ( Mr. Bokeh, my 35/2 second ( ?) generation) lens provides
lots of Bokeh under the right conditions.....Austin has set you on the right
path.....

First of all, Austin was right.. open the lens up to its maximum F2.
Shoot reasonably close to the subject, minimizing DOF to infinity.
Shoot in the shade, on a overcast day.
Use Slide film... second generation prints are no way to evaluate anything.
They have their own problems.

Evaluate the results on the light table.... by eye.  If they are there, you
will see it immediately.. Look for a three dimensional appearance.

Not every lens has Bokeh, by design.  Some lenses are more pronounced.  Some
conditions will not allow you to see it.  Some backgrounds will interfere
with the look.  It may sound "artsy" rather than scientific, but Bokeh is
like that... but once you see it, you will know it.

Frank Filippone
red735i@earthlink.net

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