Testing at 5m is not enough, at least you should test it at infinity
too. Pop photo also test lenses at closest distance, in most case the
distortion is much higher.
C.H.Ling
Olaf Greve wrote:
>
> Excellent! I hope you can do the test using more or less the same strategy
> as I did (i.e. roughly 5m distance to a brick wall, $f5.6, lens' focal
> length settings: 35mm, 40mm and the long end (70mm/105mm)), so we can have
> some more or less similar pictures.
>
> Ah, I used the same wall again for my shots. I checked the wall and it's not
> drunk ;)
>
>
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