I have received today a Tamron 17mm lens bought on *bay. It is the
older version (the one with filters). It comes with an Adaptall ring
for Contax, so I cannot test it immediately (the Olympus OL ring is
in the mail!). I have a few question for the Adaptall-savvy among
you...
I was very surprised by the behaviour of the diaphragm ring: its
rotation has an immediate effect on the aperture. Is this normal? On
Zuiko lenses, you have to press the DOF button for the diaphragm to
close. But since this is my first Adaptall lens, I don't know what to
expect.
And by the way... where is the DOF preview button on this lens?!!!?
What is the "AE" setting on the diaphragm ring?
And finally, the lens has a hood of sorts, rather a shallow metal
ring thingy which is only useful for the lens cap. I suppose this is
not the 20FH hood which is supposed to fit this lens?
Bernard
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