http://www.nikonchat.com/nikon-adapter-ring/
Hasselblad H4D-31 reduces the entry price of medium format excellence to $ 13k could cost as much as a small car in € 9,995 ($ 13,132) before taxes, but believe it or not, H4D-31 is one of Hasselblad 's most affordable offerings to date. The promise of bringing all the goodness of H4D-40, but at a price reasonable, this new shooter offers 31 megapixels of resolution and the possibility of choosing a 80 mm prime lens or a CF-lens adapter lets you connect V …
JYC 58mm Metal Camera Reversing Adapter Ring for Nikon from Dinodirect.com
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