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[OM] Diffraction limitations?

Subject: [OM] Diffraction limitations?
From: Steve Goss <stevegoss@xxxxxxxxxxxxx>
Date: Fri, 23 Aug 2002 21:36:59 -0500
Ok, I keep hearing about how smaller apertures give greater depth of field and apparant sharpness to a point, and then the increase is nullified by a rise in diffraction.

My question is this: at what point does this happen? I'm not looking for the mathematical equation to figure it out, I just want to know for a given 35mm lens of a given length, say 25, 50, 100, 200, or 300, what would be the best aperture for sharpness.

Thanks, Steve Goss, Dallas Tx usa


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