Herb, It's the 1.4X-S on the 300mm f4.5 FA and the 1.4X-L on the 600mm f4.0 FA. I've used them both, in the proper sequence, on the 600mm for 1176mm! Kenneth Waller ----- Original Message ----- From: "Herb Chong" <[EMAIL PROTECTED]>
Subject: Re: tele extenders > do you use the S or the L extenders? > > Herb.... > ----- Original Message ----- > From: "Kenneth Waller" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, March 25, 2004 6:53 PM > Subject: Re: tele extenders > > > > Jay, I regularly use 1.4 Pentax extenders on my 300MM f4.5 FA and 600mm > f4.0 > > FA and am happy with the results. Never tried 2.0 extenders and don't > intend > > to. > >

