We'll just have to disagree. You think just the larger image circle is enough to make a lens a DFA lens. I don't share that viewpoint.
On Sun, Sep 03, 2006 at 02:45:38AM +0800, David Savage wrote: > The significance of DFA lens is that they cover the 35mm frame. Not > all the DA's do without vignetting. > > Dave. > > On 9/3/06, John Francis <[EMAIL PROTECTED]> wrote: > > I thought a significant difference between DA and DFA was the presence > > of an aperture ring. Sure, longer focal lengths are going to have an > > image circle larger than an APS-sized sensor. But that in itself isn't > > enough to make it a DFA lens. > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
