>------------------------------ > >Date: Thu, 16 Mar 2006 09:23:58 +1100 >From: "Marc Lawrence" <[EMAIL PROTECTED]> >Subject: RE: EOS 70-200 f/4 vs f/2.8IS > >> Paul Wasserman wrote: >> ...For your 1.6x body, consider that you can add a 2x >> extender to the f2.8 and still AF (though more slowly) >> at f5.6 and an effective focal length of 840mm... > >TYPO-ALERT! > >Paul, either it's a typo, or your maths is rubbish <g>, >or mine is (uh oh...self-doubt), but shouldn't that be >"640mm"? > >200 x 2 x 1.6 =3D 640 > >Cheers, >Marc >Sydney, Oz
Yup. My mathematical dyslexia strikes again. Paul Wasserman * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
