Bill,
Thanks for sharing your experience in the bokeh department.
----- Original Message -----
From: "Bill Pearce" <bspearce@xxxxxxxxxxxxx>
> I see that bokeh is not an on/off thing (large chorus of duh! here). I
think
> we are fortunate that, although no Zuiko is absolutely stop the presses
over
> the top creamy, neither is any world breakingly bad. If it is on a scale
of
> one to ten, I think Zuikos mostly range from 4-8.
>
Yes, most Zuikos are not bad in bokeh although they could have different
level
of quality, there are a few exception, just like 50/1.2 and 50-250, they are
obviously poorer. The 50/3.5 is not very good but not as bad and improve in
longer distance.
> I did notice in my own tests that the lenses over 50mm are better than the
> shorter ones (another Duh! chorus). The one thing that I noticed (testing
> 85/2, 135/2.8, 200/4) is that the 200 was quite good, at least a 7.5. the
85
> and 135 were at least as good as any other tested.
>
It can easy understand that long lens usually give softer background due to
shorter DOF. The choose of background is also easier due to narrow
viewing angle.
> I didn't have as big a problem as you with the 28/2 (I found it to be in
the
> "not unacceptable' range), but I agree that the 21/2 ranks highly. The
> 50/1.2 gets weaker the closer the focus, and the 50/3.5 leaves a lot to be
> desired. My 35/2 is generally average. I saw nothing special in my early
> 35-70/3.6 early version, and it remains for sale.
>
I don't see bokeh problem on 28/2 yet and I have also not tested it yet.
There
is not different version of 35-70/3.6 AFSIK, only 35-105 has two different
versions. The bokeh of 35-70/3.6 is much better than the 50/1.2 at my field
test that post to the list some months ago.
> The biggest difference I noticed was in my Nikkors (all early late
> sixties/early seventies classics) had noticably poorer bokeh, confirming
> what I had read. Perhaps the Zuikos benefit from a different designer's
> goal.
>
> Bill Pearce
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