[sunny_is_happy]

我見到有紅色,黃色,藍色等等的,用這些鏡片,有何效果??

[怪俠]

外置WB

[sunny_is_happy]

我係想知效果是怎樣的?

[MN56]

主要係用來影黑白相的。

[kingkonghk]

試下咪知囉, 文字上好難表達架

[maximilianyuen]

if you know photoshop

you can imagine them as the Channel Mixer

for example,
red and light blue if change from color to greyscale will looks similar

but with diff setting of RGB you can make only red or blue stand out...

sth like this