You really ought to get your facts right (especially when arguing with a monomaniac who will use any trivial error on your part as an excuse to ignore your whole argument).
The A lenses do not communicate their current aperture setting electrically; the only information they transmit over the signal pins is one aperture ring position (A or non-A), and the maximum aperture of the lens. On Sun, Oct 22, 2006 at 12:13:15AM -0400, Adam Maas wrote: > That's what makes them outdated. A and later lenses communicate that > information electrically (And F and later ones are electronic). > > -Adam > > > J. C. O'Connell wrote: > > The K/M lenses communicate their fstop > > Setting via a mechanical cam. The DSLRs > > Release by pentax ignore that communique. > > That is the body's fault for not listening > > As the information is there for the taking. > > jco > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > > Adam Maas > > Sent: Saturday, October 21, 2006 11:28 PM > > To: Pentax-Discuss Mail List > > Subject: Re: The JCO survey > > > > Of course, that observation is utterly irrelevant to the point of why > > K/M lenses are outdated. > > > > They don't support full lens/body communication, since they lack the > > firmware and digital communication contacts. > > > > -Adam > > > > > > J. C. O'Connell wrote: > >> The K/M lenses have automation features the new camera > >> Is not exploiting. That's the DSLR body's > >> Fault, not the lenses fault. > >> jco > >> -----Original Message----- > >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > > Of > >> Adam Maas > >> Sent: Saturday, October 21, 2006 10:45 PM > >> To: Pentax-Discuss Mail List > >> Subject: Re: The JCO survey > >> > >> If they weren't outdated, they'd support full body/lens communication. > > > >> Which they don't. Therefore they are outdated. > >> > >> -Adam > >> > >> > >> J. C. O'Connell wrote: > >>> The lenses are not outdated, the new bodies are > >>> Just too stupid to know how to use them properly. > >>> jco > >>> > >>> -----Original Message----- > >>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > >> Of > >>> William Robb > >>> Sent: Saturday, October 21, 2006 3:05 PM > >>> To: Pentax-Discuss Mail List > >>> Subject: Re: The JCO survey > >>> > >>> > >>> ----- Original Message ----- > >>> From: "P. J. Alling" > >>> Subject: Re: The JCO survey > >>> > >>> > >>>> Of course you can meter with them, if you read the manual, can > > figure > >>>> out the contradicting claims and set the proper function. But just > >>>> mounting the lens and shooting it doesn't work. How many people > >>>> actually wade through the entire manual, except for the anal > >>>> retentives > >>>> on this list, that is. > >>> It's the anal retentive types that want to use outdated lenses on > >> modern > >>> cameras. > >>> > >>> William Robb > >>> > >>> > >>> > >> > > > > > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
