Quote Originally Posted by Chan Tran View Post
In your case get the 50mm f/2 AIS. It's would be nicest to use on the FE2...
It's also a very very rare collector's item--no matter how much you pay for it, someone will pay more.

More seriously, you skipped the best in the price range you consider--the longnose 1.8.

No matter which one you get, you won't be disappointed. Good luck.