At 01:12 PM 11/12/2006, Digital Image Studio wrote: >On 11/12/06, J. C. O'Connell <[EMAIL PROTECTED]> wrote: > > First mistake, never trust the lens makers claims > > when it comes to focal lengths. For example, how > > many of the Lens makers have revealed or specified > > the actual focal lengths of these pseudo-zoom > > macros? Any? Secondly, lens makers often "cheat" > > when it comes to apertures and focal lengths. For > > example, their 20mm lenses may all measure 22mm > > but they dont tell you that in the data sheet do they? > >It really doesn't matter, the distance to the FL and the mag ratio are >all I'm interested in, I couldn't give a FF about the FL only that I >want to be able to enter it into the camera.
FF: Full Frame? You certainly can't on a Pentax DSLR Dave -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
