Hi, Daniel and all.
>I've recently been given the option between two lenses - one an SC and
>the other a newer MC.
Depends on the particular lens. Some designs have good flare performance,
even with SC coating. On the other hand, some Zuikos were reformulated when
changing to MC coating, achieving 'different' optical performance.
>Note: these are 135/3.5 lenses.
In this case, go for the MC!!! Most of my SC Zuikos are quite flare
resistant, *except* the 135/3.5 -- otherwise, a very nice lens.
BTW, are you sure you're being offered an MC 135/3.5? The seem to be quite
rare, if ever... I've got one marked 'Zuiko 135mm 1:3.5' like the later
multicoated lenses, but this lens (serial #411xxx) has indeed SC coatings...
Hope this helps,
...
Carlos J. Santisteban
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