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.
