这个uv filter怎么样# PhotoGear - 摄影器材m*i2011-03-15 07:031 楼http://www.amazon.com/77mm-Ultra-Violet-Haze-Filter/dp/B0000BZLs=electronics&ie=UTF8&qid=1300167808&sr=1-1用在24-105上Bh有更便宜实惠的吗