I might be able to post a couple of photos that'll speak to the issue of
bokeh with the 35-80
george
> It all comes down to how a lens deals with what is out of focus. Even two
> nearly identical lenses from the same manufacturer (Nikon) one being
> internal-focus and the other uses focus by extension will have different
> bokeh characteristics.>> snip
>
> I agree wholeheartedly!
>
> <<In an oversimplification a zoom lens uses a different amount of the
front
> glass surface area to achieve the same results as the prime lens does.
> Last winter I took a some identical pictures of a fence at my in-laws'
farm
> with both the IS-3 and the OMs. I even used the same focal lengths and
> lens openings. The resulting images couldn't be any more different!
Maybe
> I will get them scanned one of these days to show everyone. The
OM/100/2.8
> combination produced silky smooth images where the critically focused area
> blended so smoothly into the out of focus area in one seamless image.
> Wheras the IS-3 image was equally sharp at the critical focus point but
> produced a disjointed image with the out-of-focus areas. Think Cateye
lens
> without the donuts.
>
> For an example of what I am describing look at the photograph on page
88-89
> (gorillas in tree) of the February 2000 National Geographic.
>
> Ken Norton
> >>
>
> I agree with some of what you said Ken. However, I think making the
>generalization that all zooms have bad bokeh or that all simple primes have
>good bokeh is too sweeping. A case in point is the Contax Zeiss 50F1.7 (7
>elements), which has been chastised for having bad bokeh by
>PhotoTechnique--otherwise highly regarded by some for pure sharpness. Since
I
>personally don't have experience with the specific case of the 35-80 zoom,
>we'll have to solicit the opinion of the list members who have, with
respect
>to bokeh, but I rather suspect it is good in that regard. Each lens design
is
>a case by case (or even sample by sample) consideration.
>
>
>Alex
>
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