>> WJM wrote >> Haven't checked this specification for a long time, but with the >> EOS-1(n), there was a limit of f2.8 for the AF-sensor, being >> functional with both vertical and horizontal lines.
> Tom Pfeiffer wrote: > http://visual-vacations.com/Photography/canon_1_series_autofocus_custom_function s.htm Hi WJM, This used to be a FAQ on this list sometime at the turn of the century. For the 45-zone CMOS sensor, the limit was f/2.8 for the central group of 7 high-precision cross sensor; f/4 for the center cross sensor; f/5.6 for all remaining horizontal sensors except for the center, which remains active to f/8. See: http://eosdoc.com/manuals?q=AFCompat http://www.mail-archive.com/[email protected]/msg02539.html http://tech.groups.yahoo.com/group/eos/message/39820 Cheers Julian Loke * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
