Quote Originally Posted by neuroanatomist


My 5DII has trouble keeping up with my 3-year-old running toward me - my 7D can handle that even with the thin depth of field (where focus is most critical) and relatively slow AF system of the EF 85mm f/1.2<span style="color:#ff0000;"]L II shooting at f/1.2.


Hm, that's quite a common use case for my 5D2 when I'm at home ... must ... resist ... adding a 7D as second body!


Really impressive, if it manages that at f/1.2, the difference in AF is larger than I thought!


Colin