I think it all depends on the scratch size compared to the element
size, a 2-3mm long scratch will be be acceptable for a 18/3.5 or
16/3.5. BTW, open sky will not seen flare, you will only see flare
under server backlight. e.g. sun set behind a man and you open up try
to see his face, not stop down to exposure for the sun.
C.H.Ling
dreammoose wrote:
>
> I have a >1,100,000 50/1.4 with a modest scratch in the coatings of the
> rear element about 2-3 mm long, closer to the center than the edge. I
> got it cheap with the intention of waiting for one with a damaged front
> element for a swap of elements. I took a couple of test pictures, one of
> a tree against open sky to check for flare, and I don't see any effects
> from the scratch. I think rear element flaws are generally much more
> likely to be a problem than those on the front, but not necessarily "death".
>
> Moose
>
>
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