You've mentioned this diffraction thing before but I have a tough time
believing it. Have you got some technical exposition that explains how this
can be done?
Chuck Norcutt
> -------Original Message-------
> From: Ken Norton <ken@xxxxxxxxxxx>
> Subject: [OM] Re: A successor to my E1
> Sent: Oct 08 '08 08:34
>
> Landscape photography generally means DoF and the 2-stop gain with the 4/3
> format does help offset other things, including diffraction. Speaking of
> diffraction, modern lenses are not linear in the diffraction calculations.
> You cannot just apply the same old equation which worked for
> spherical-elemented primes to today's aspherical wonder-lenses. The optical
> engineers have been gaming the physics tables for quite some time.
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