Using an aperture of 2.8 or 4 will allow you to use selective focus, putting more emphasis where you choose.

使用F2.8-F4左右的光圈，并且选择性的对焦，将您想要强调的部分放在焦点上。

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It is used for the same reasons as selective focus, to minimize distractions in the background and focus the viewers eye on the subject.

它和选择性聚焦的使用原因相同，将分散视线的背景最小化，突出从观赏者角度观看的物体。

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Almost assuredly, you’ve seen the use of selective chromacity: an artist will take a photo and remove color from everything except the area of focus.

你一定看到过选择性使用颜色的例子：一个艺术家拍完了照片，将所有颜色去掉，只保留焦点位置的颜色。

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Arty photo effects that use selective focus and short depth of field are actually closer to the truth of the eye.

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My best advice at this stage is to be very stock selective and focus less on trading indices and highly correlated stocks.

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Concurrently, Acer shall focus on developing selective models for mobile devices to lay a solid foundation for the future.

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