As with Select Subject, Select Sky does what it says on the tin. When you choose this option, the AI will scan your image for an obvious horizon line and attempt to mask out the sky. As before, the complexity and detail present in the image will determine how good a mask you get. If there is plenty of blue sky in the shot, you should get a decent mask. If you have a busy horizon line with not much contrast, the AI will struggle, so be aware. In our example, after clicking the Select Sky button, it takes a moment and then masks the image. The far horizon, which is misty, gave it some work to do, but it feathered the mask and decreased opacity there in order for…
