> I would like to clean the front element of both of these lenses. If
there is no coating,
> I don't see why a simple commercial glass cleaning product could not
be safely used on
> them. Does anyone disagree?
I use the "Kodak Lens Cleaner" and so far I'm pretty happy with it. It's
cheap and works well. It was recommended to me by a friend who owns a
second-hand camera shop and, of course, does a lot of lens cleaning. He
and I have been using it for years with good results. A special lens
cleaning cloth like the one Sigma sells or any other (I've used a cloth
made by Kanebo for years with excellent results) would ensure you good
results.Why take any changes with non-specific cleaners. If I had spent
what you probably did on those lenses I would clean them with the best
fluid I could afford. If you go to the Schneider
website(www.schneideroptics.com), they have an interesting white-paper
on lens cleaning.
Hope this helped
Regards
Hugo Lopes
P.S. Avoid lens cleaning paper. I've tried the Kodak and Hama papers,
but was never quite happy with the results.
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