Thibouille escribió:
Thanks for that information, IMO very useful. So basicaly, no use on manual cameras and program/TV only on MZ cameras. The choice is then (purely one usage base, not optical/contruction POV) between the Tammy with screwdrive (works with all AF cameras) or the Sigma with HSM/SDM only (which means no AF on K100D or previous cameras).
It is how you say, but remember that there are a number of Pentax film cameras which can set the aperture via a wheel on the body (Z-1,Z-20,*ist), or a rocking switch (MZ-6/7, MZ-30/50/60 and possibly others).
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