http://www.sigma-photo.co.jp/english/news/info_080121.htm
http://www.photoscala.de/node/3941
ZITATNotice to Nikon D3 owners using Sigma’s Nikon fitting lenses
2008-01-21
A limited number of Sigma lenses when used with the new Nikon D3 digital SLR camera will not support the "Auto DX crop" function. To overcome this we will be supplying a free upgrade to our customers. We deeply apologize for any inconvenience this may have caused to our customers.
Sigma Corporation 2008-01-21[/quote]
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List of lenses requiring update for D3 camera
DC lenses (Exclusive for digital SLR cameras with APS-C image sensor)
30mm F1.4 EX DC HSM Serial Numbers lower than 2054001
10-20mm F4-5.6 EX DC HSM Serial Numbers lower than 2160001
DG lenses (Lenses for 35mm format SLR cameras)
APO 300mm F2.8 EX DG HSM Serial Numbers lower than 3013701
APO 120-300mm F2.8 EX DG HSM Serial Numbers lower than 4022401
ZITATUpgrade will be required for the following problemsWhen the Nikon D3 is in Auto DX crop function and the 30mm F1.4 EX DC HSM or 10-20mm F4-5.6 EX DC HSM lens is attached, the image area format will not change to DX format automatically.When the Nikon D3 is in Auto DX crop function and the APO 300mm F2.8 EX DG HSM or APO 120-300mm F2.8 EX DG HSM lens is attached, the image area format will be changed to DX format, even if the image area format is set to FX format or 5:4.For further information, please contact your nearest authorized Sigma Service Station.[/quote]