Can someone please tell me the difference between both these lens's on Ebay.
I doubt I will get these lens's as they are very expensive but i would like to know the difference as 1 is more then $1000 more expensive...????
http://cgi.ebay.com.au/ws/eBayISAPI....528574771&rd=1
http://cgi.ebay.com.au/ws/eBayISAPI....529282355&rd=1