I can remember this topic being discussed several times before, but....
I have recently obtained a second Zuiko 135mm/f4.5 macro lens. According to
the "Unofficial Zuiko lens page" this lens is always multicoated, but these
two lenses seem very different.
My original lens (111254) reflects a normal lamp mainly green/yellow with
just a hint of purple around the edges.
The second lens (111918) reflects deep purple with blue around the edges.
Is it possible that both lenses are multicoated and that the form or number
of coatings has changed?
David
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