Hmmm. My K10D and A4005.6 work fine with the A 2X-S converter. By the way, the A 400/5.6 and the L converter are supposedly incompatible. Doesn't the snout of the converter hit the lens baffling? Paul On Apr 16, 2008, at 2:38 PM, Fred Widall wrote: > I recently purchased a Pentax-A 1.4X-L TC and I'm having problems > getting > it to communicate aperture settings to my K10D. > > When I attach my Pentax-A 400mm F5.6 to it, and mount them on my > K10D the > display shows the aperure as 'F--'. I also have a cheap Sakar 1.4X > TC and > when I use that the aperture setting is displayed correctly, so the > issue > does seem to be with the Pentax TC, rather than the K10D mount or some > setting on the camera. > > Looking at the description of the Ka mount contacts on Bojidar > Dimitrov's > site I see that aperture data is passed with the '*' designated pin. > > On my K10D mount this pin is slightly recessed. On the 'mount' side > of my > Pentax-A 1.4X-L TC the contacts are not the usual small, > slightly-protruding, ball-bearing contacts, but rather little > indentations. > > I think the problem is that the recessed pin on the K10D is not > connecting > with the indentation on the TC. My Sakar TC has the ball > bearings on the 'mount' side which is why it makes a connection and > works > correctly. > > I've spoken with the person I bought it from and he had no issues with > using it on an LX. > > Hope my description makes sense ...... > > Anyone experienced a similar problem, and have a solution ?? > > I can use the Pentax-A 1.4X-L TC in manual mode so its not a major > problem, but it would be nice to get it working in 'A' mode. > > Thanks. > > Fred. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above > and follow the directions.
-- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
