Quote:
Originally Posted by marknorton
Not true. Leave the IR filter on a lens and it will still cause red vignetting leading to cyan in the image. If this hypothetical M9 with no IR sensitivity was to support lenses with IR filters, it would need to correct for the cyan in much the same way as the M8 does today.
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Hmm - I am not convinced Mark. Assuming that the on-sensor IR filter would filter 100% of the IR, if you add further filtration on lens it shouldn't make any difference. Logic 101 IMHO, but maybe I am missing something here
maybe I can try a little experiment with my D3 adding an IR filter on one of my Nikkors.