Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 151)

Monochrome Adjustment
Filter effect
With a filter effect applied to a monochrome image, you can make white clouds or green
trees stand out more.
Filter Sample Effects
N:None Normal black-and-white image with no filter effects.
Ye:Yellow Blue sky will look more natural, and white clouds will look crisper.
Or:Orange The blue sky will look slightly darker. The sunset will look more brilliant.
R:Red The blue sky will look quite dark. Fall leaves will look crisper and brighter.
G:Green
Skin tones and lips will appear muted. Green tree leaves will look crisper and
brighter.
Note
Increasing [ Contrast ] will make the filter effect more pronounced.
Toning effect
By applying a toning effect, you can create a monochrome image in the selected color.
Effective when you want to create memorable images.
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