Here is two examples of what I am talking about.
http://cgi.ebay.com/ws/eBayISA...:1123#ht_3033wt_1037
http://cgi.ebay.com/ws/eBayISA...SE:IT#ht_3210wt_1037
The first has the zoom feature, the second does not.
If it is somthing I am doing, please inform me.