On Aug 29, 2010, at 8:11 PM, Miserere wrote: > On 29 August 2010 00:47, Larry Colen <l...@red4est.com> wrote: >> I probably got it when I bought someones bag of gear, saw that it was a TC >> and just tossed it in the drawer without looking at it. >> >> I just tried it out and it seems to work fine on autofocus. Does anyone >> have any experience with one of these? Would it degrade an image less than >> cropping it by a factor of 1.4? >> >> Another cool realization I had was that my Sigma 20/1.8 will work just fine >> on a K1000 body that I've got lying around, and it'll give me a view that is >> wider, and faster, than my 16-50 on the digital body. Albeit, that ASA 400 >> film doesn't seem to be nearly as good as ASA 400 on the sensor. >> >> In any case, it should be fun to play with. > > In response to your original question, Larry, that Tamron 1.4x TC is > one of the best around, optically speaking. As far as AF goes, there > are two versions, one of which works well with SDM and one which > doesn't. The one that does is the "MC4" version, which should be > printed on the TC body. Because these are no longer manufactured, they > go for a pretty penny, and I've seen them sell for $350 or more on > eBay.
Yee haw!! 1.4X Pz-AF MC4 ! :-) -- Larry Colen l...@red4est.com sent from i4est -- 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.
