Thanks, Sylwek. I was forgetting that it was an AF lens.  I suppose also
that the contacts allow matrix metering which is unusual for a lens without
an "A" position 

regards,
Anthony Farr 

> -----Original Message-----
> From: Sylwester Pietrzyk [mailto:[EMAIL PROTECTED]
> Sent: Saturday, 4 June 2005 1:54 AM
> To: [email protected]
> Subject: Re: pentax 85mm soft
> 
> Anthony Farr wrote on 03.06.05 17:34:
> 
> > Which raises a question.  I also have the F version and I find it
puzzling
> > that it has the "A" contacts on the mount, even though it lacks the "A"
> > position on the aperture ring.
> >
> > Does anybody know what function the contacts serve on this lens?
> Aperture range and digital data as it is AF lens. more is here:
> http://kmp.bdimitrov.de/technology/K-mount/Ka.html
> http://kmp.bdimitrov.de/technology/K-mount/Kaf.html
> 
> --
> Balance is the ultimate good...
> 
> Best Regards
> Sylwek

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