I think this is a trick question.
Heh...
I was digging through some old photo gear in the garage and found this:
http://www.tristatecamera.com …refid=263&sku=PHOAF70210C![]()
Phoenix 70-210 f/4-f/5.6 EOS push-pull 
The Canon 70-200 is "Image B"
I should post the results in the lens forum and see the responses of the measurebaters 







