\"Note that although the maximum aperture of the following lenses or combinations is f/4, cross-type focusing with 39 AF points is now possible with these lenses:
EF 17-40mm f/4L USM
EF 24-105mm f/4L IS USM
EF 70-200mm f/2.8L IS USM + Extender EF1.4x II
EF 200mm f/2L IS USM + Extender EF2x II
EF 300mm f/2.8L IS USM + Extender EF1.4x II
EF 400mm f/2.8L IS USM + Extender EF1.4x II\"
Oct 19, 2009 at 11:05 PM
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