Quote Originally Posted by CGW View Post
Here's a little Xmas gift:

http://www.redisonellis.com/m645tubes.html

Just be sure to make note of the exposure compensation for each tube/lens combination if you're not using a metered finder.
Thank you, this information on the extension tubes is very useful. I also received a message from Ian C with a link to a pdf containing the same info. Precisely what I needed, thanks again.

Dale