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[OM] Re: Good BIN on 100/2.8

Subject: [OM] Re: Good BIN on 100/2.8
From: Frank Griffin <gilbertparts@xxxxxxxxxxx>
Date: Fri, 9 Dec 2005 13:07:57 -0800 (PST)
      I have one of the old 85/2's. Its a silver nose and it came with one of 
the old black caps, its 102xxx. I agree its a great lens. When I first got it, 
I figured I would " upgrade" to an MC version. After I saw the images it made I 
decided its a definite keeper.
                               Frank
   
  
The look and feel of the images from the 100/2.8 in this series
is quite unique. The lens is essentially identical to the 85/2
and I am aware of a similar evolution of design that occured
with that lens, but haven't tracked the serial numbers or which
one is "best". Never owned one, probably never will.

I haven't had quite the same success with the 100/2.8 on the E-1
as I have with OM bodies. At some apertures there is a marked
edgyness to the bokeh when the focus point is around 3-5 meters.
This is not present in the film images. I'm not sure exactly
why this is happening, but I suspect that it has to do with the
CCD's AA and IR filters. The microlenses are changing the angle
slightly (turning the continous light gradient into a stair-step
pattern) and the IR filter is cutting off the radical
focus-shift that occurs with this lens in the near-IR spectrum.
When shooting distant city lights you'll see what I mean. With
film, you will get nice star patterns around the
lights--especially red tower beacon lights, but these stars take
on different shapes or just turn into round edgy blobs on
digital.

Honestly, the one lens that continues to amaze me is the 200/4.
On the E-1 it is not only sharp, but it produces a very sweet
bokeh.

AG

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