> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Ken Durling > Sent: Friday, July 25, 2003 12:08 PM > To: [EMAIL PROTECTED] > Subject: EOS Max ap and AF speed > > > Is there an understandable explanation for this? If I were to > play dumb, I > could argue that AF speed should depend on working aperture, or > *available* > light, but it is determined by max aperture, whatever the working aperture > is. Why is that? Your own words or a reference welcome. > > Thanks! > > Ken > >
Hi Ken, Because the EOS AF system works at what ever the max. aperture is. Focusing is performed during viewing through the mirror at the bottom of the mirror box when the lens is wide open. Cheers/Chip * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
