On Mon, Jan 27, 2014 at 4:28 PM, John <johnsess...@yahoo.com> wrote: > I expect it is "full-frame" in the sense that it would not vignette the > image from a "full-frame" lens. I don't see how it would make an APS-C > lens have a larger image circle.
Enlarging the image is what teleconverters do. If it doesn't vignette on FF, then it will certainly enlarge an APS-C image circle to (about) FF size. -- 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.
