Hi, all.
>I think marks on the front of a lens probably affects
>the price a lot more than its ability to take pictures.
That's the usual consensus. However, I think that for *super-wides* the
*opposite* is true -- marks at the rear element will have little or no
effect on performance, but any flaw at the front may show up easily.
I once hitted the front element of a Cont*ax Distag*n 18mm F4, and the pics
clearly showed a spot where the nick was, when stopped down to f/11 or so.
On the other hand, my Zuiko 21mm F3.5 has an ugly scratch at the dreaded
rear element (see it at
<http://www.supercable.es/~santis/etc/scratch.jpeg>), and I'm really happy
with its picture quality. Haven't used an uncratched one, though.
Back to the 28mm question, I think that a not-so-wide lens of very short
barrel won't have any problems with a scratch at the front. I like the
Zuiko 28/3.5, too.
...
Carlos J. Santisteban
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