s Excited to say that I bit the bullet and ordered the new Sigma 50mm ART for my Nikon D800. I ordered through Adorama within a few hours of the pre-orders so I should be on track for receiving it at the end of May. I'll write an informal review here on how it works for wedding work. The Sigma 50mm ART for Nikon (D800 will be used for the test) will be a month later than the Canon version, but it should be interesting to see how it performs on the 36MP sensor with greater resolution than what the current top Canon models can capture. It is much more similar in design to the Zeiss Otus 55 f1.4 so that seems to be a more suitable comparison than the other available 50mm lenses for DSLRs. I'm also curious to see how well it works with the Nikon F6 and F100 film bodies in terms of autofocus accuracy and whether or not it is overkill compared to the traditional double gauss designs. The Noritsu scanner can get 30MP from 35mm film, so the important part will be to use a low grain film like Kodak Ektar 100 or perhaps even some slide film. Sigma's site info here.