{"id":13951,"date":"2023-09-03T18:17:57","date_gmt":"2023-09-03T18:17:57","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=13951"},"modified":"2023-12-26T08:42:10","modified_gmt":"2023-12-26T08:42:10","slug":"what-is-light-quality","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/ru\/glossary\/what-is-light-quality\/","title":{"rendered":"What is Light Quality"},"content":{"rendered":"

What is Light Quality<\/h2>\n\n\n

Light quality refers to the characteristics of light that determine its visual appearance, impact on the environment, and perception by individuals. It encompasses various factors that contribute to the overall aesthetic and effectiveness of lighting. One important aspect of light quality is the size of the light source relative to the subject. A larger light source produces softer and more diffused light, while a smaller light source creates more focused and directional lighting. This size difference affects the distribution of light and the shadows it creates, ultimately influencing the mood and atmosphere of a space.<\/p>\n\n\n\n

Different light sources emit light at different wavelengths, and the distribution of these wavelengths determines the color appearance of objects under the light. The spectral distribution can be measured using metrics such as the Correlated Color Temperature (CCT) and the Color Rendering Index (CRI). CCT describes the color appearance of light, ranging from warm (yellowish) to cool (bluish) tones, while CRI measures how accurately a light source renders colors compared to a reference light source.<\/p>\n\n\n\n

In addition to size and spectral distribution, other factors contribute to light quality. Glare, for example, is considered a negative aspect of light quality. It refers to excessive brightness or contrast that causes visual discomfort or impairs visibility. Harsh lighting conditions with high levels of glare can be fatiguing and reduce visual clarity.<\/p>\n

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