Ah ok.. uhm that all depends.. actually no matter what type of camera, it all has to do with the AF
unit. So if you put the Canon 1D AF
unit into a 10D, it will AF
Most of the time costs of a super AF
unit are too great for a type of camera and AF
is less potent on those models. Plus cheaper digicams dont need the advanced AF
unit of the 1D.
But to answer the question: There is no direct correlation between digicam/film and AF