nikon ones arent a problem.. there are ones that exist right now that controls the apperture on G lenses.
canon ef lenses could be a problem now but like what barry said, its ineveitable that electronic controls would be possible in the very near future.
as for autofocus on other lenses.. not gonna happen anytime soon
canon ef lenses could be a problem now but like what barry said, its ineveitable that electronic controls would be possible in the very near future.
as for autofocus on other lenses.. not gonna happen anytime soon