In high key images light tones donminate. Dark tones are eliminated or reduced by careful selection of the tonal and subject brightness range of the subject matter. Soft diffused lighting from broad light sources are used to reduce all shadows. Backgrounds should be flooded with light and over exposed to reduce detail. Increasing expose beond 'normal' by up to two stops ensures that all the tones are predominatly light. Hard edges and fine detail can be reduced by use of a soft focus filter. When using black and white film skin imperfections can be reduced by using an orange or red filter. A bright background palced close to the subject will also soften their outline. Even though the quantity of light used to create high key is large the actual lighting ratio is small (1:1).
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