Luis, >>>There's a Sigma macro/converter compatibility chart, try googling....<<< Thanks for the heads up. >>>(when I assumed your lens was the Nikkor Micro).<<< The lens gets a lot of positive feedback from users so I decided to try my second OEM product. I can no longer afford the new Nikkor's if I want speed, micro and AF. Take care, Gregory david Stempel FIREFRAMEi m a g i n g
