Thanks, Alasdair. Your images, and those I've seen from other listfolk,
indicate the Zuiko wide angles are generally free of this distortion.
Looking at my negatives more critically some have relatively less of this
problem, which seems to confirm Gary's suggestion that it's coma and can be
minimized by stopping down. I'll have to do some testing and find the lens'
sweet spot.
I have noticed less corner distortion in close-focus shots. Don't know
whether this was by design or fortuitous compromise.
-----------
Lex Jenkins
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Musta been a UFO. It wuz flyin' an' I dunno whut it wuz. - A "farmer"
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