On the advice of the list (thanks Andrew especially) I got some B+W filters
from a local reseller who hadn't stocked them since 5 years or so and gave
me excellent discounts on 49mm and 55mm UV filters. When I got them home I
noticed that the filters don't have the multi coloured reflections one
expects with coating.
I checked the B+W site:
http://www.schneideroptics.com/filters/mc.htm
and they mention coating of their filters. I wonder if my filters are of a
pre coating vintage? I wonder when they started coating their filters. Do
other people who use B+W see coatings on them?
Thanks in advance
Oben
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