May be I wasn't wrote very clear, both 90/2 and 50/2 has flat field
performance at infinity and the 50/1.4s not so. To add more I just took
sample images from 50/1.4 SC, 50/1.4 MC, 50/2 and 50/3.5. Oh! Sorry, I have
no 50/1.8. All taken with tripod, liveview, 2s shutter delay, on FF 5D II of
course.
50/1.4 SC, S/N 56xxxx (F1.4 and F2.8)
http://www.accura.com.hk/temp/IMG_3655_5014SC_F14.JPG
http://www.accura.com.hk/temp/IMG_3656_5014SC_F28.JPG
50/1.4 MC, S/N 109xxxx
http://www.accura.com.hk/temp/IMG_3657_5014MC_F14.JPG
http://www.accura.com.hk/temp/IMG_3658_5014MC_F28.JPG
50/2 Macro
http://www.accura.com.hk/temp/IMG_3659_50F2_F2.JPG
http://www.accura.com.hk/temp/IMG_3660_50F2_F4.JPG
50/3.5 Macro MC
http://www.accura.com.hk/temp/IMG_3661_5035_F35.JPG
http://www.accura.com.hk/temp/IMG_3662_5035_F56.JPG
It seems that both my 50/1.4 MC and SC have very similar performance, don't
tell me the MC with 1,1xx,xxx number is better, I don't want to purchase
another 50mm lens ;-)
For the bokeh, I will try to compare them later.
C.H.Ling
----- Original Message -----
From: <usher99@xxxxxxx>
To: <olympus@xxxxxxxxxxxxxxxxx>
Sent: Friday, May 08, 2009 8:29 AM
Subject: [OM] So what Zuiko is the true Bokeh Champ?
> With all this bokeh talk is it the Z. 100 f2 that has the most
> consistently smooth bokeh? Clearly foregorund/background distance all
> effect this complex lens character along with aperture shape, focal
> length, spherical aberrations. Highly corrected flat field lenses seem
> to have a heck of a time rendering nice bokeh like the Z. 50 f3.5
> macro. The F2 flavor does better at the price of some sharpness in the
> corners as CH points out.
> The Z. 135 f4 macro is no slouch though with close backgrounds the CV
> 125 SL apo Lanthar has a smoother rendering. I was suprised that the
> Z 85 F2 despite being a small gem (doubling as a mini macro kit with
> ext tubes) can have busier bokeh than I had anticipated. Longer FL's
> always seem to have an easier time, perhaps due to the physics and a
> narrower limited background to start.
>
> If one opened up the contest to non-Zuikos in OM mount on FF (film or
> dig), I think the CV 90/3.5 and the 125 both would be in the running.
> Mike
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