The DA 1.4X may vignette slightly in the corners with that combination.. It does on the K-1 with D FA 150-450. But it’s inconsequential. Easily fixed, and I almost always crop my bird photos. I think Ken Waller tried it with the FA 600 f/4.
> On Nov 25, 2020, at 1:13 PM, John <jsessoms...@nc.rr.com> wrote: > > On 11/25/2020 08:44:46, Toine wrote: >> Found a DA 1.4x converter. Tried converters before including the >> famous 1.7 AF version and never satisfied until this DA version. >> Combined with the DA300 I can't complain about anything. Tripod test >> shots as sharp as can be, no additional CA or purple fringing. Let's >> give it a try in the field, handheld... >> cropped >> https://www.repiuk.nl/albums/new/#&gid=1&pid=005-964-20201125-img3752 >> full frame for pixel peeping >> https://www.repiuk.nl/albums/new/#&gid=1&pid=005-965-20201125-img3715 >> I'm impressed and saved 2k on a future 150-450. Maybe someday some >> serious birding... > > I just took a quick look at it at B&H. It says "compatible with Pentax KAF2 > mount lenses on Select DSLR cameras." They've got it in stock with a "Limited > supply" at $$$.¢¢. > > I'm guessing the K-1 is one of those select DSLRs, but is the FA-600/4 > compatible? > > I'm guessing yes, because it works on the K-1 without the rear converter, but > I'd like to *know* I'm not fooling myself before I'd purchase one. > > > > > > -- > Science - Questions we may never find answers for. > Religion - Answers we must never question. > > -- > 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.
