Sigma is being sued by Nikon
http://in.reuters.com/article/2011/0...7GP11H20110525
This has been alluded to before & now it looks like it is happening !
Will Canon join in
It looks like the new Sigma 46mp crop sensor camera SD1 is a real threat
The big boys are worried, so out come the big guns
Will Sigma survive or is this the end of Sigma cameras & lenses ??????
Col