Now, add some shape to each feather, keeping the outer edge bright, and add some shadow where one feather overlaps the other.

现在，添加每根羽毛的形状，外缘保持明亮，并且增加一些叠在下一根羽毛上的阴影。

youdao

Note the artifacts on the feather's edge on the One S sample.

ENGADGET: Nokia 808 PureView impressions, camera showdown with the iPhone 4S and HTC One S