I think you're right about it being a firmware upgrade. You might have beat me by a day or two on that first istD. :-)
Paul via phone > On Sep 24, 2015, at 7:25 PM, Bill <anotherdrunken...@gmail.com> wrote: > >> On 24/09/2015 4:42 PM, Paul Stenquist wrote: >> The istD had the green button kludge. > > That came with (I believe) the first firmware update. When the istD was > introduced, it didn't support non A lenses beyond unmetered manual. I believe > I had the first istD of anyone on the PDML. > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > 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 PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.