Frank, I don't know what you mean
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I checked out Fons' link and it's nice to know that there are those don't like this lens.
During our gathering at JA's after Photokina where I tried out the lens, I deliberately tried to induce some swirly bokeh, color aberrations and any other irregularities but wasn't able to.
Perhaps this guy in the youtube link has a bad copy, and yes, he does repeat himself like a broken record.
Now I am sorry I didn't use it more...
Bjørn, I know that you like the 105/2.0 DC too.
I am really curious to know which of the two is more appealing at f/2.0 or f/2.8
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