That's possible but I remember that my words quoted here were in 
response to a statement that paint had to be scraped off extention 
tubes to short circuit the contact and thus enable trap focus - if 
those were third party extension tubes (Kenko, Soligor etc.) than 
they might have AF contacts but if those were Pentax ones - I don't 
think Pentax has ever made extension tubes with AF

"David A. Mann" <[EMAIL PROTECTED]> napisał / wrote: 

> Jarosław Brzeziński writes:
> 
> > As far as I remeber trap focus worked perfectly on my Z-1P with 
all A-
> > series Pentax lenses - and I did not have to do anything with 
> > electric contacts on the lenses
> 
>  I think the AF lenses actually communicate their functionality to 
the body 
> somehow via those contacts...
> 
> Cheers,
> 
> 
> - Dave
> 
> David A. Mann, B.E. (Elec)
> http://www.digistar.com/~dmann/
> 
> "Why is it that if an adult behaves like a child they lock him up,
>  while children are allowed to run free on the streets?" -- Garfield
> -
> This message is from the Pentax-Discuss Mail List.  To unsubscribe,
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> 



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