On 5/7/2014 8:19 PM, Ken Norton wrote:
...
A couple of years ago, we did a lens test. We took every lens we had
that did 50mm at F4.0. Here are the results. You can see how much
things vary from one to another. You'll also see how one lens in
particular folded the edges of the OOF highlights back in on itself
forming rings. There are other traits of some of the lenses which
aren't as pleasing, but at least this test proves that different lens
formulas result in different types of images when at exactly the same
settings. The camera did not move and we focused on the same point for
every lens.
http://zone-10.com/tope2/main.php?g2_itemId=12622
Nice effort! Unfortunately, it just proves what I've thought for some time, that all 'normal focal length' modern lenses
used at those subject, near backgrounds and far background distances suck. At least it gives a rational for 50/1.4 over
50/1.8.
A plug-in that identifies and inverts those highlights would be magic indeed. I've tried a number of possible solutions
in PS, with only modest success. Masking and blurring is easy, targeting only the edgy highlights is hard.
I keep thinking I should set up a similar test including some µ4/3 lenses and my CZJ 50/2.8 Tessar. But I prefer just
taking pics of nice/interesting stuff. :-)
Shoot First Moose
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