Quote Originally Posted by neuroanatomist
Actually, I think it's the special <span style="color: #00ff7f;"]green paint they use for the ring around the barrel that accounts for the high relative price of the DO lenses.

Haha I think that's it! Canon has a new proprietary formula that makes green paint without using blue or yellow pigment. The high-price is to prevent the script kiddies at Nikon from reverse engineering it and stealing market share!