Kevin and Kate S.
> I have a Nikon FG and am looking for a 2x converter.
> What companies are good other than Nikon?
I often recommend either the Vivitar Macro 2X (cheap
at NY discounters), or a used Nikkor TC200/201. They
are about equal in quality and price, though the Vivitar
adds the macro feature.
Hope This Helps
David Ruether - http://www.fcinet.com/ruether