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Sulafa says:

I have D3100 which has no internal AF motor to autofocus older AF (screw-type) lenses.
If I buy a lens with a motor to autofocus, then after a while I change my camera to one with a motor like D90
Will my new camera work well with my lens (both have motor to autofocus)???
10:47PM, 12 February 2012 PDT (permalink)

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sujoyp says:

yes the new camera will work fine with lens with focus motor...and it will use the motor in the lens to focus
79 months ago (permalink)

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