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Re: [OM] That's Not a Bokeh, This is a Bokeh

Subject: Re: [OM] That's Not a Bokeh, This is a Bokeh
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Thu, 7 May 2009 00:10:33 +0800
Sorry to break yours and many people's dream, I found the bokeh problem of 
90/2 for quite some time but was too lazy to do a more systematic test with 
the FF sensor. Anyway here are two shots I took with the 90/2 (most likely 
at F2.8 or F4), you will see what I mean:

http://www.accura.com.hk/temp/IMG_2164.JPG

http://www.accura.com.hk/temp/IMG_2166.JPG

Due to the problem I didn't post any of the 90/2 shot in my 09 flower show 
gallery:

http://www.accura.com.hk/OM/OMC/FS2009/FS2009.htm

Fortunately, most of the shots I took in the show were with the 135/4.5 this 
year. May be other than this specific focusing distance the bokeh of 90/2 is 
good, I remember it do very well for people portrait.

The 90/2 seems works better with the 4/3 sensor as I remember.

A good news about the 90/2 as I have mentioned before, it has excellent edge 
to edge performance even wide open. Although it is very slight less in 
resolution than the 100/2 at the center but it beat the 100/2 for edges 
performance hands down. Same case happen to 50/2 vs 50/1.4.

C.H.Ling


----- Original Message ----- 
From: "Dawid Loubser"

The 90/2.0 was "OK"?
"OK" ?!?!?!?!

The 90/2.0 is magical... mystical... übersmoothicalicious bokeh...
Really, I have come to agree with Moose that it's really not the world's
best lens at Macro magnifications, it is clearly optimised for
near-macro. But in terms of smoothness, with near perfect bokeh
(I have never managed to coax hard-edged out-of-focus highlights out
of mine, always smooth gaussian-blurred circles) I find the bokeh of
this lens impeccable.

I have a back-log of about 200 photos with this lens to print in the
darkroom,
but with each one I get a better idea of its character. Complex
optical design
or not, it's bokeh is wonderful.

As mentioned in my previous mail, not an EF 85/1.2L, no, but closer
than anything
else I've seen.

:-)


On 06 May 2009, at 3:51 PM, C.H.Ling wrote:

> the 90/2 was ok.


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