Due to the nature of flower macro, it may be a little difficult to identify
the sharpness of lens, this one may be better:
http://www.accura.com.hk/P_18.jpg (3MB)
Shooting data: 1/125s, F4, OM4, Fuji RDP III, handheld
Without a side to side comparison I wouldn't say film can only achieve 5MP
DC quality for macro shoots. Having been a long time without making lens
test on film, may be it is time to run some test on the 90/2.
C.H.Ling
----- Original Message -----
From: "Wayne S" <om4t@xxxxxxxx>
> Thanks CH. I now remember, I was using the 25mm extension on the 90/2
> in order to get higher magnification, so yes, DOF was definitely less.
> Still, in my previous posted shot, the focus point was the drop of
> water and was just not as sharp as I had hoped, or remember seeing with
> my own eyes at the time. I thought it was due to motion at the time.
> Now I'm questioning the lens.
>
> Your shot also has a bit of softness to the in-focus part. Am I being
> too critical? Below is the shot I was really trying to get sharper.
> Again, 90/2 but speed and f-stop not recorded. I know it was a slow
> shot, 1/4-1/2 or so, and probably F8 +-1 F-stop. Film was E100VS but I
> don't think the film was the limitation here. No sharpening was done to
> the scan, only levels. To me it just seems a bit soft. More than I was
> hoping for. I don't see any evidence of camera shake (aperture pre-fire
> was used).
>
> http://www.zuik.net/om/e100vs_aug04_002.jpg (2.7mb)
>
> If you look at the grain in this shot, is it as sharp as it should be
> for a 4000dpi scan? Am I asking too much from my film shots? Is film to
> the point now that it exceeds the performance of lenses from
> yesteryear? Were we as concerned about this level of resolution before
> the big digital push? hmmmm...
>
> Does anyone have some good examples of using cross-polarization flash
> with macro? The other problem with hand-holding, even with flash, is
> getting focus at that critical moment. The best moment seems to come
> right when I have moved ever so slightly out of focus (focusing done by
> moving in and out from the subject). Digital or film it is the same
> problem. I think such limitations with this type of photography puts
> film on par with 5mp digital, where technique and other factors than
> film or sensor limit the result. I hope someone can correct me and
> point the way to shaper film macro.
>
> (an aside: On the subject of flash and macro, one way I try to get a
> more natural look is to move the flash further back away from the
> subject. This gives more even illumination between the subject and the
> background, assuming the background is not too far away. Sometimes it
> is hard to do in the field, but if I could, I would also use a big flash
> diffuser. Now if the dang critters would hold still and stay put while
> I set up the studio...:-)
>
> Wayne
>
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