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Term - Opacity

Opacity SWPP Photographic Glossary

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The density of a material such as a film or filter. In digital terms, opacity can be adjusted to make it look less prominent or allow a lower layer to show through. The light stopping power of a a material. The greater the opacity of a substance, the more light its stops. In photography, opacity is expressed as a ration of the amount of light falling on the surface of the material to the amount of light transmitted by it.


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