Actually Joe, you tell it the lens is 510mm. 300mm x 1.7 converter is 510mm. It's not that smart about combinations. Regards, Bob S.
On Mon, May 11, 2009 at 4:42 PM, Joseph McAllister <[email protected]> wrote: > This may have been touched on before, but I don't remember it, and I'd like > to know. > > Do the DSLR cameras know when you are using the AF 1.7x teleconverter? Or > any teleconverter, for that matter? So when you slap a construct on the > camera, do you tell it (for shake reduction info) the focal length of the > lens, or the focal length of the combination? > > My A* 300mm ƒ4.0 with the AF 1.7x. 300mm? or 425mm? > > Joe > > On May 11, 2009, at 10:42 , Tim Øsleby wrote: > >> Focus wise the F 1,7 does a good job with my DA* 300. It's locks fast, >> sometimes faster than the DA* 300 alone. I was refering to image >> quality when saying it didn't seem tp like other lenses. But fringing >> or abrivation or whatever it is, is unaceptable. steping down at least >> two steps, more in high contrast situations is needed > > If it doesn’t excite you, > This thing that you see, > Why in the world, > Would it excite me? > —Jay Maisel > > Joseph McAllister > [email protected] > > > > > > -- > 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.
