Use the Free Transform Tool (with Warp) to bend the light so that it gets thinner towards the left edge of the image. Use the Gradient Tool (black to transparent) to fade the effect.
使用自由变换工具(弯曲)来弯曲光线，使其在图像的左边缘更薄。使用渐变工具(黑色至透明)完成褪色效果。
Results: the best imagine edge effect and visual sense definition for red free light picture contrast is 0.87. Grey brume is the second important parameter.
结果：无赤光像反差为0.87时影像边缘效应、视觉清晰度最佳，灰雾为第二位。
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