This is Screw Driven Focus, Please make sure this lens is compatible with your camera before placing your order.

Nice and clean Sigma 28-70mmD f/2.8 EX Lens for Full Frame Nikon Screw Driving zoom Full Frame Lens, has super clean front and rear elements no scratch no mark on them, no haze no fungus inside,  it is fully functional in AF and Manual Focus mode, comes with caps and hood, Photos are from the actual lens.

Nikon AF by Sigma 28-70mm D f 2.8 EX Lens for Full Frame Nikon