I agree. There's precious little to choose from in these images. But I
think the only thing you've demonstrated is that the 14-54 doesn't
resolve more than 4-8MP in the corners regardless of aperture.
Chuck Norcutt
Richard Lovison wrote:
> Chuck Norcutt wrote:
>> Read this paper on diffraction limits in lenses regarding the diameter
>> of the Airy disk and the effect of its size relative to pixel
>> dimensions. Then see table 3 near the end of the page which gives
>> maximum resolution for different sized sensors for wavelengths in the
>> red, green and blue parts of the spectrum.
>> <http://luminous-landscape.com/tutorials/resolution.shtml>
>
> Thanks for pointing out the article.
>
> I did a real world test last night. I took four images of a magazine
> display with the E-3 and 14-54mm lens mounted on a tripod using four
> different f stops -- f5.6, f6.3, f8 and f11. The resulting images were
> cropped displaying the lower left hand corner at 100% with camera
> sharpening in RAW conversion set to +1. No other sharpening in PS was
> added. F11 even looks good to me.
>
> http://richardlovison.com/E-3%20diffraction%20test.html
>
> Richard
>
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