我今日下晝岩岩去左dcfever買左塊52mm ND4鏡，

跟住我好心急即刻去左龍鼓灘度影日落，（時間大約係6點）

但係我加左塊ND4再教埋最細光圈、快門、-EV同ISO50之後，

點解我都影唔到人地果種效果嘅??



加左塊ND4個快門都唔可以過2秒喎，

點影到D浪變成D"冒"錦呀??



唔通ND4唔夠要ND8先得?



我只係個讀緊F.3嘅新仔，但係對DC充滿熱盛，望高人能幫我解答疑難。



例子：

http://www.dcfever.com/photosharing/viewphoto.php?photoID=148234



http://www.dcfever.com/photosharing/viewphoto.php?photoID=143399



http://www.dcfever.com/photosharing/enlargephoto.php?photoID=140997