http://www.shbear.com/2/lib/200201/12/20020112002.htm

金反射層成本太高所以改用銀反射層吧，that's綠片一片曾高達150元那時kodak金片一片200。

不過那時候要我選還是會選kodak金片,that's綠片上面很容易留下指痕(所以之後的that's水藍片就改了)