Citeren Karen Nakamura <[EMAIL PROTECTED]>:

> The AF sensors are based on rangefinder technology. The maximum 
> aperture also gives the maximum baselength the sensors can operate 
> at.  You can either have sensors spaced wide apart that focus very 
> accurately but need a large aperture; or you can have them spaced 
> closely together, for less accuracy, but can handle small apertures.
> 
> EOS-1 and -3 series have both types built in.
> 
> Consumer models only have the small f/ types.
> 
> Karen Nakamura
> www.photoethnography.com/ClassicCameras/
> 

"EOS-1 and -3 series have both types built in"

Karen, do you know how this is with the D60 - 10D - 1D?

Thanks
Leeuwtje
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