We may have been jumping to conclusions. A very intelligent question Mike.
We have a mastermind among us. 
No irony.


Tim
Mostly harmless (just plain Norwegian)
 
Never underestimate the power of stupidity in large crowds 
(Very freely after Arthur C. Clarke, or some other clever guy)

> -----Original Message-----
> From: mike wilson [mailto:[EMAIL PROTECTED]
> Sent: 7. april 2006 00:33
> To: [email protected]
> Subject: Re: 1.7x AF
> 
> Toine wrote:
> 
> > I noticed my 1.7x AF converter doesn't autofocus with T-mount lenses.
> > It does autofocus with M-series lenses. The only difference I can
> > imagine is the K-mount on a M-series lens is electrical conductive and
> > the T-mount is made of (isolating) anodized Aluminium.
> > I feel temped to use fine abrasive paper to remove the anodized layer
> > on an old T-mount or short circuit two or more contact on the K mount.
> > Would that make any difference? Maybe dangerous for the D body?
> >
> > Toine
> >
> >
> >
> What do you mean when you say "doesn't autofocus" - nothing at all or it
> tries and can't manage?
> 



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