Hello,I have a Sigma Art 50mm f1.4 HSM DG Lens for Nikon. If you are looking at this post, you are probably aware that this is the sharpest lens that money can buy. Kindly check dpreview for reviews. It is an amazing lens that takes extremely high quality pictures.Please note that this lens has a US serial number and sigma will not service grey market non-US lenses.Thanks for looking.