I have two 35-70/3.6, they looked like some fungus inside, but
actually was element separation, no more spare element group for
fixing. I also had a 65-200 looked haze, fine after cleaning, but
problem happen two months later. I had it cleaned three time, finally
sold it.
C.H.Ling
Stephen Border wrote:
>
> > I'm yet to see a 35-70 3.6 without fog/fungus. I've seen three now and all
> > have had a fine haze on the elements in the moving group within the lens.
> > The smaller chamber within the chamber (if you can understand that!) when
> > you look from the front. Don't know why but it has been the case
> nevertheless.
>
> My experience with the 65-200/4 is similar. I've looked at four of them and
> three had a haze on an internal element. I pulled one apart and the element
> just seemed milky, not fungused but not quite clear either. Perhaps the
> special soft focus portrait version of this lens :-) I've been meaning to
> check if the element is available as a spare part. I've got a 35-105 being
> repaired at the moment, must remember to ask when I collect it.
>
> Stephen
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