Graphics Programs Reference
In-Depth Information
Maximum white:
The opposite of the last mentioned i lter, maximum
white brightens all sliders to 150%
Neutral density:
Another popular i lter in conventional photography,
this i lter often exists in various degrees of lightening and darkening
Red i lter:
The most used i lter in black and white photography, the red
i lter adds contrast by darkening blues and brightening reds and yellows
Yellow i lter:
The yellow i lter is a slightly dif erent
take on adding contrast
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