Is there any way to distinguish a linear from a circular polariser? I just
bought a lens of e*ay, and as a pleasant bonus, the seller had included a
1A, 82A, and some sort of polarising filter. (is this a dumb question? the
polarizer filter rotates, so does that mean it must be linear? Can I work
this out by trying spot-metering with my om2s and seeing if it goes wrong in
the way that linear polarisers cause?)
thanks,
-- dan
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