John, I've never seen either. Can't say I ever saw a helicoil 1.4x or 1.7x tc. Regards, Bob S.
On Thu, Dec 6, 2012 at 11:02 AM, Collin Brendemuehl <[email protected]> wrote: > Is there a helicoid extension tube with "A" contacts? > Or > Is there a helicoid 1.4x or 1.7x tc with "A" contacts? > > > -- > 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.
