They were the A2X-S and A2X-L. They were priced the same when first introduced. The L versions were less common and sold for more used. The Ls couldn't be used with every lens that was over 300mm. For example, the rear baffle on the A400/5.6 precludes their use. Both are excellent optics. Paul
On Dec 2, 2010, at 1:42 PM, Jack Davis wrote: > The AX and AL converters were never the same price when I was shopping them > in the late 1990's. At that time the Pentax "L's improved quality and > configuration are provided to accommodate the 300mm and up telephoto lenses." > The exact wording notwithstanding in the absence of any further research. > > Jack > > --- On Thu, 12/2/10, P N Stenquist <pnstenqu...@comcast.net> wrote: > >> From: P N Stenquist <pnstenqu...@comcast.net> >> Subject: Re: Teleconverters? >> To: "Pentax-Discuss Mail List" <pdml@pdml.net> >> Date: Thursday, December 2, 2010, 9:47 AM >> The A2X-S and A2X-L were originally >> the same price if I recall. I don't think the "L" is better >> glass, just different. It has the long snout to optimize its >> use with lenses that have the recessed rear element. That >> group includes more than just the *** lenses, and not all of >> the latter. >> Paul >> >> >> On Dec 2, 2010, at 11:24 AM, Jack Davis wrote: >> >>> Just to add a quick thought to Paul's solid advice, >> the Pentax A2L is considerably better glass, but the >> price goes UP accordingly. This converter, however, is made >> to be used with Pentax "*" lenses with recessed rear lens >> element. >>> You've doubtless considered it, but the lesser powered >> converters (1.7, 1.4) tend to produce somewhat better IQ at >> the obvious loss of power. >>> >>> Jack >>> >>> --- On Thu, 12/2/10, P N Stenquist <pnstenqu...@comcast.net> >> wrote: >>> >>>> From: P N Stenquist <pnstenqu...@comcast.net> >>>> Subject: Re: Teleconverters? >>>> To: "Pentax-Discuss Mail List" <pdml@pdml.net> >>>> Date: Thursday, December 2, 2010, 7:23 AM >>>> The A 2X teleconverters are very good >>>> optically. Of course because you're adding glass, >> a lens >>>> plus converter can never match the performance of >> the lens >>>> alone, but the A 2X converters are among the best >> I've seen. >>>> Note that I said "converters," because there are >> two. The >>>> A2X-L can only be used with certain long telephoto >> lenses. >>>> It has a long snout and can't be attached to other >> Pentax >>>> lenses. The A2X-S fits all Pentax lenses. I use >> the A2X-S >>>> once in a while with an A400/5.6. It yields good >> results. My >>>> photo of a dragonfly that's on the opening page of >> the >>>> Pentax Gallery and in their Premier Collection was >> shot with >>>> this combination on an *istD. >>>> Paul >>>> On Dec 2, 2010, at 9:26 AM, Eric Weir wrote: >>>> >>>>> >>>>> I wouldn't put it to use immediately, but I've >> got my >>>> eye on a Pentax 2X Teleconverter-A. I know nothing >> about >>>> teleconverters. General advice would be welcome as >> well as >>>> comments specifically about this one. >>>>> >>>>> I haven't really done any wildlife >> photography, but >>>> it's on my agenda, and I imagine it could be put >> to use in >>>> that connection. >>>>> >>>>> Thanks, >>>>> >>>> >> ------------------------------------------------------------------------------------------ >>>>> Eric Weir >>>>> Decatur, GA USA >>>>> eew...@bellsouth.net >>>>> >>>>> P.S. I got a Weston Master II exposure meter >> and >>>> manual of eBay. Both look in good condition. >> It's been >>>> suggested that even it didn't work one of these, >> or >>>> something like it, would help me understand >> exposure better. >>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> 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. >>>> >>> >>> >>> >>> >>> -- >>> 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. >> > > > > > > -- > 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.
