Hi,
I am considering purchasing a new telephoto lens. Here are my choices:
Canon 70-200mm f/4
http://consumer.usa.canon.com/ir/contro ... delid=7345
Tokina 80-200mm f/2.8
http://www.thkphoto.com/products/tokina/afl-05.html
Sigma 70-200mm f/2.8
http://www.sigmaphoto.com/html/zoom_intro.htm
Can any of you fellow photographers help me decide?
Thanks,
Hugh