Automatic extension tubes 12/20 / 36mm, for macro photography to match Nikon D7000, D5200, D5100, D5000, D3200, D3100, D3000, D800, D700, D600, D300, D300, D200, D90, D80, D70, D70s, D60, D50 D40, D40x, D3 Series, Series D2, D1 Series *** contact area of metal !! (Electronics)
The intermediate rings are made stable, partly of plastic and partly of metal. I bought the rings for my Nikon D7000. The autofocus works as specified (with all 3 rings combined); However, the autofocus does not make sense, since the intermediate rin