The A2X-S exaggerates fringing with the A400/5.6, but I still use it with that lens now and then. It's the only way I can get enough reach for small birds. Paul On Dec 13, 2007, at 4:29 PM, Godfrey DiGiorgi wrote:
> On Dec 13, 2007, at 12:09 PM, Jim King wrote: > >> ... IMO there's no such thing as a good 2x TC except possibly for the >> Pentax A-S and -L versions. I've used both on the f2.8 with decent >> results. > > Related to but not entirely on track with the original subject ... > > In my experience, the Pentax-A Rear Converter 2x-S does very well > with the A50 Macro, A200, FA77 and FA135 lenses. It works > particularly well with the A50 Macro to provide both a longer macro > focal length and 1:1 imaging at a greater working distance. I've kept > it specifically for this purpose. > > I found it exaggerated blooming (red fringing) with the DA70 and > DA50-200 to an excessive degree, have not tried it with the DA*50-135 > as yet. > > Godfrey > > -- > 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.
