On Fri, 25 Jul 2003 12:50:19 -0700 "Ken Durling" <[EMAIL PROTECTED]> writes: > Right, of course. My dinosaur brain must be back in stopdown > metering days. > > Now some of the pro bodies allow AF at smaller max aps, permitting the use > of extenders among other things - so this is just a higher quality AF sensor > in those bodies, correct? > > Ken
The AF sensor is also sensitive to the angle of light; wider apertures have a wider angle of incident light. This is why each body has a max aperture rating (f/5.6 or f/8.0) and not just an EV rating. Dave Herzstein [EMAIL PROTECTED] http://www.kjsl.com/~dave ________________________________________________________________ The best thing to hit the internet in years - Juno SpeedBand! Surf the web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today! * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
