I have both the 85/2 and the 100/2.8. I have never seen a 100/2 in
person...lol I will say that I agree with you on the 85 having sometimes
harsh bokeh. The 100/2.8 is a bit better. The 85 isn't bad, just not
awesome. I just tested a Minolta 85mm f1.7 that I got a few months ago cheap
($50 at the local camera shop in nearly perfect condition!). It has a bit
smoother bokeh than the Zuiko 85 (my Oly 85 is one of the newer black-nose
MC versions), but the lens is HUGE and HEAVY. I am having trouble with the
old Minolta SRT 101 that I am using it on. I think the camera needs
adjusting because I am getting consistant backfocusing with it with both the
85mm and the 50mm minolta lenses I have. My shots with the 85 zuiko are
always dead-on focused sharp. I need to get another Minolta body to test the
Minolta lenses with. All in all, given the huge size and weight of the
Minolta lens, and the giant size and weight of the SRT body, I don't think
the bokeh is that much better than the zuiko 85 to give up the small OM-4T
and small lens. The image quality difference is really small.
--
Chris Crawford
Fine Art Photography
Fort Wayne, Indiana
260-747-3962
http://www.chriscrawfordphoto.com My portfolio
http://blog.chriscrawfordphoto.com My latest work!
On 5/7/09 8:29 PM, "usher99@xxxxxxx" <usher99@xxxxxxx> wrote:
> 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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