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[OM] Various lens sharpness numbers at various apertures

Subject: [OM] Various lens sharpness numbers at various apertures
From: Dave Bulger <dbulger@xxxxxxxxxxxxx>
Date: Fri, 8 Jan 1999 07:50:14 -0600
OM Gurus,

After about 25 years of avid shooting, I'm just now getting into the more 
technical aspects of this hobby/obsession/trade (i.e. I've just learned the 
zone system) and I'm seeing more & more references to the fact that a lens is 
not necessarily at it's sharpest stopped down to it's minimum aperture.  This 
is gonna bug me until I know exactly what aperture each of my lenses is 
sharpest at.

I've checked the FAQ and various other sources on the net to no avail.  Anyone 
have a source for this info?  I have a nasty feeling someone is gonna refer me 
to the unattainable OM-System Lens Handbook...

TIA!

Dave

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