On 8/15/2013 4:42 PM, Mark Roberts wrote:
P.J. Alling wrote:
Unfortunately that lens has always been a bit wonky as far a metering is
concerned. I sometimes get the feeling that Vivitar only slapped an A
mount on it and didn't change the way the aperture mechanism worked to
match the Pentax A standard.
I think Pentax gradually improved the accuracy of the mechanism (both
in the camera bodies and in the lenses) over the years. My Vivitar
70-210 is the same version as yours and it's always been a little
sloppy with regard to exposure. I just bracket.
Kinda defeats the purpose of having an "A" mount lens, doesnt it???
--
J.C. O'Connell
hifis...@gate.net
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