If it's AF problem that makes noticeably soft image and you try to shoot a
ruler at 45 degree to the horizontal,
you should be able to discern if it is back focus or front focus or just
randomly inaccurate focus problem.
On 6/23/07, Bob Whitmire <bwhitmire@xxxxxxxxxxxx> wrote:
>
>
> OK, so based on another suggestion, I mounted the 50-200 on the
> E-510, put it in Live View, upped the magnification to 10x, and
> focused manually at f/5.6. Got a reasonably sharp image, both on the
> camera LCD and in ACR. Much sharper than I have been getting. But
> took the same shots using AF, and MF without LV, and right back to
> the super-soft images again. Which leads me to believe there's a
> malfunction in the focusing mechanism somewhere. Something that MF
> using LV at high mag overcomes.
>
> You folks that understand this stuff . . . does this ring a bell?
>
> --Bob
>
>
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