You need to dial in focus length when using the 1,7. When using 300mm I usually dial in the closest adequate fl. witch is 500mm, not 425mm.
But it seems the camera recognizes the TC it self, and communicates with the lens, as long as it is an A/F//FA/DA-lens. In other words, when setting lens aperture to 2,8, the camera says f:4,5. -- MaritimTim 2009/5/11 Joseph McAllister <[email protected]>: > 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 > -- 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.
