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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