Depends on what you need, I found all the lenses you mentioned provide
very acceptable images wide open, of course you will be shooting
indoor or at night. Under such condition (especially night shoots), I
don't see vignetting and contrast is a noticeable problem due to the
inherent image contents. Can you show us some example?
I would say the only Zuiko I disappointed at wide aperture is 50/1.4
SC silver nose with S/N 3xx,xxx, the image was too soft. In my
experience and also the test report from Modern Photography, the 90/2
is soft wide open if you can accept it I don't see why you cannot
accept other Zuikos you mentioned. May be one of the possibility is
focusing problem, the wide angles has to be focused very carefully,
don't expect DOF can cover slightly off focus, you need very sharp
focusing. To me only focus on the matte area can do, no split image!
C.H.Ling
Thomas Mueller wrote:
>
> Dear Zuikoholics,
>
> well, I am still new in the Zuiko field and I came to it rather by chance.
> I am still not secure about using my Om4Ti and I am not sure what the
> quality and potential use of the lenses is.
>
> So, I did a lens test by photographing a newspaper from tripod with timer
> release to reduce vibrations. And I was a bit disappointed about the
> performance of my lenses at wide aperture with respect to sharpness,
> contrast and vignetting. This was true for the 2,8/28 (MC, Japan written
> inside filter ring), 2,0/35 (MC, Japan), 1,2/55 (probably not the rare
> earth version), 1,4/50 (MC, Japan). They were all okay after stopping them
> down by two fstops. But, what is the wide aperture good for if not to use
> it, that is my current feeling. The only exceptions were the 2,8/35-80 and
> the 2,0/90 which were brilliant even wide open.
>
> Maybe, you guys can share your opinion about the use and fascination of the
> OM system with me to make me feel a bit more happy and confident about what
> I can and what I can not do with it.
>
> Gruesse, Thomas
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