The 50mm f1.4 multicoated version is slightly better than a MC f1.8
and the f1.2 is slightly better again - it has more even sharpness
from center to edge and has great contrast performance.
Giles
>
> Hi,
>
> I think it is a matter of money. As far as I know the 50/1.4 or 50/1.2 is not
> generally better than the 50/1.8. They have their best performance at
> different
> apertures. Besides, the extra money one pay for getting a slightly faster lens
> is quite high. And as I see it, I don't need faster than f/1.8. I guess the
> other f/1.8'ers think about the same.
> I have been digging the following pages and please do the same, they are good!
>
> http://www.astro.wellesley.edu/lhawkins/photo/zuiko50.txt
> http://www.astro.wellesley.edu/lhawkins/photo/mp-zuiko-tests.txt
>
> Hope that helps.
>
> --
> Regards/
> Ingemar Uvhagen
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