Canon lens# PhotoGear - 摄影器材
o*e
1 楼
GOOGLE "canon lens glossary"也没找到UD, 是不是有没有UD都一样啊?
http://www.amazon.com/Canon-18-135mm-3-5-5-6-Standard-Cleaning/dp/B003SJQE3C/ref=sr_1_8?ie=UTF8&qid=1288919051&sr=8-8
http://www.amazon.com/Canon-18-135mm-3-5-5-6-Standard-Cleaning/dp/B003SJQE3C/ref=sr_1_8?ie=UTF8&qid=1288919051&sr=8-8