For landscape picture, it is sometimes very beneficial to get a soft image tone to show more abundant details.

对于风景图像，有时也需要获得较柔和的影调，使图像的层次更为丰富多彩。

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Soft image tone can make portrait appearing more beautiful: the face wrinkles seem fade partly or completely, the skin becomes glossy and bright, thus people will look younger and pretty.

影像的柔化可使人像变得更漂亮，使人像的脸面皱纹减轻甚至消失，皮肤变得光滑滋润，因而显得年轻、亮丽。

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The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.

卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。

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Live Guide, a graphic user interface that provides simple assistance to control settings to capture the perfect image, adjusts color and tone at the swipe of a finger.

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Users can quickly sort by the date or week the image was taken, the overall color tone, as well as whether they're searching for portraits or specific file types, including photos, videos, or voice memos.

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