I stumbled across this.
http://www.sigmaphoto.com/news/news.asp?nID=3256
1/11/2006
Notice to end-users using Sigmas Nikon fitting lenses with D200 camera
To our valued customers,
Combination of the new Nikon 200 digital SLR camera with the following Sigmaproducts can cause improper exposure. 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.
List of lenses which would require an update for the D200 camera:
Fixed Focal Length Lenses
28mm F1.8 DG ASPHERICAL RF
Zoom Lenses
20-40mm F2.8 EX DG ASPHERICAL
24-70mm F2.8 EX DG MACRO
24-70mm F2.8 EX ASPHERICAL DF
28-70mm F2.8 EX DG
28-105mm F2.8-4 DG
28-105mm F2.8-4 ASPHERICAL
Please contact Sigma Corporation of America by email at info@sigmaphoto.com or call 1-800- 896-6858.
http://www.sigmaphoto.com/news/news.asp?nID=3256
1/11/2006
Notice to end-users using Sigmas Nikon fitting lenses with D200 camera
To our valued customers,
Combination of the new Nikon 200 digital SLR camera with the following Sigmaproducts can cause improper exposure. 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.
List of lenses which would require an update for the D200 camera:
Fixed Focal Length Lenses
28mm F1.8 DG ASPHERICAL RF
Zoom Lenses
20-40mm F2.8 EX DG ASPHERICAL
24-70mm F2.8 EX DG MACRO
24-70mm F2.8 EX ASPHERICAL DF
28-70mm F2.8 EX DG
28-105mm F2.8-4 DG
28-105mm F2.8-4 ASPHERICAL
Please contact Sigma Corporation of America by email at info@sigmaphoto.com or call 1-800- 896-6858.