回复：！求助：GND Filter

来源: 于 2012-09-27 00:29:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Cokin z-pro holder might have a leaking issue, search "cokin z-pro holder leaking" and do your own research.  Lee holder is better.

You can always get a 0.9 soft first and use it to get experience before you get more.  0.3 soft might not be very useful.