Isn't it the diffraction limit is also related to the lens focal length? As
I remember the shorter the lens the faster it reach the diffraction limit.
If you have a long lens, you can stop down more before it reach the
diffraction limit.
C.H.Ling
----- Original Message -----
From: "Chuck Norcutt"
> It's not the limit of the lens that's in question, only the limit of the
> lens at a particular aperture. Small sensors with small pixels run up
> against the limits of diffraction faster than large sensors with large
> pixels. Simple as that. Diffraction is worse at small apertures. If
> you had a 16 MP 4/3 sensor you would not able to shoot at smaller
> apertures than about f/5.6 in order to reach full resolution at the
> sensor.
>
> Small sensors can perform but they take high quality lenses that perform
> well at apertures larger than we are accustomed to in 35mm.
>
> Chuck Norcutt
>
--
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