Joe, that exposure correction matches my findings on one sample Sigma
AF 24mm 2.8, with MZ5, PZ70, PZ1p, Mx and Lx (both Mx and Lx needed no
correction at all). Wrong maximum aperture reported to the camera was
tought to be the problem back then.
Cheers,
lf
Joe's words:
The AF lens seems to need a -1.0 EF adjustment on most Pentax digital
bodies; the MF lens needs -1.3 EF or so (this seems to be typical of
Sigma lenses from the film era on current Pentax bodies?)
--
luiz felipe
luiz.felipe at luizfelipe.fot.br
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