That's true in general, but there are specific exceptions. Pentax used to have a compatibility chart on their website. I'm not positive about the 300/4, but i think it's an S, like the 400/5.6.
Paul On Oct 28, 2012, at 3:10 PM, J.C. O'Connell <[email protected]> wrote: > I thought the "S" and "L" models stood for short and long lenses. > > ----------------- > J.C.O'Connell > [email protected] > ----------------- > > -----Original Message----- > From: PDML [mailto:[email protected]] On Behalf Of Jack Davis > Sent: Sunday, October 28, 2012 1:26 PM > To: Pentax-Discuss Mail List > Subject: Fw: Best 2x teleconvertor for smc pentax-a* 300/4 > > > > > > > ----- Forwarded Message ----- > From: Jack Davis <[email protected]> > To: Pentax-Discuss Mail List <[email protected]> > Cc: > Sent: Sunday, October 28, 2012 8:04 AM > Subject: Re: Best 2x teleconvertor for smc pentax-a* 300/4 > > I had a FA* 300 f/2.8 which had a "recessed" rear lens and, therefore, would > accommodate the 1.4L T/C. I understood that the "L" was the better of the > T/C's. (?) > > Jack > > > > ----- Original Message ----- > From: J.C. O'Connell <[email protected]> > To: 'Pentax-Discuss Mail List' <[email protected]> > Cc: > Sent: Sunday, October 28, 2012 5:22 AM > Subject: Best 2x teleconvertor for smc pentax-a* 300/4 > > I want to get a good 2x TC for my pentax a* 300/4 lens. > Anybody know which model is the best (2x-L?) or maybe > a non pentax model? thanks in advance... > > ----------------- > J.C.O'Connell > [email protected] > ----------------- > > > -- > 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. > > > -- > 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.
