Canon EOS 20D Instruction Manual page 60

Setting the Processing Parameters*
Filter effects
The same effect as using filters with black-and-white film can be
obtained with digital images. A color can be brightened by using a filter
having a similar or same color. At the same time, the complementary
colors will be darkened.
N: None Normal black-and-white image with
no filter effects.
The blue sky will look more natural,
Ye: Yellow and the white clouds will look
clearer.
The blue sky will look slightly
Or: Orange darker. The sunset will look more
brilliant.
The blue sky will look quite dark.
R: Red Fall leaves will look crisper and
brighter.
Skin tones and lips will look fine.
G: Green Tree leaves will look crisper and
brighter.
_ Setting the [Contrast] to the p!us side wi!l make the filter effect more
Pronounced.
Toning Effect
When color toning is set, color toning will be applied to the captured
black-and-white image before being recorded to the CF card. It can
make the image look more impressive.
The following can be selected:
IN:None] IS:Sepia] [B:Blue] [P:Purple]
[G:Green]
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