depth of field

基本解釋

If you can get that level of depth of field for that cheap in order to single out your subjects in your photos, why not go for it?
如果你發(fā)現(xiàn)能花這么少的錢來取得這么淺的景深——足以把你的對象在相片中突出，為什么不馬上配備一個(gè)呢。
The simplest way to do this is to choose a small Aperture setting (a large number) as the smaller your aperture the greater the depth of field in your shots.
最簡單的辦法是選用最小的光圈設(shè)定（鏡頭上顯示的最大的數(shù)字），光圈越小，你所獲得照片的景深就會(huì)越大。
Photographers often push this effect further by using a very shallow depth of field while shooting, which blurs out everything unimportant and highlights the subject extremely well.
給這些小家伙拍照時(shí)，攝影師通常會(huì)選擇很淺的景深，這樣周圍不重要的事物會(huì)很模糊，但主體會(huì)被突出得恰到好處。

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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They offer the chance to use a much shallower depth of field.
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the range of distance in front of and behind an object focused by an optical instrument, such as a camera or microscope, within which other objects will also appear clear and sharply defined in the resulting image &rarrcompare depth of focus

景深
The second one is the fast enhancement algorithm with depth of field compensation in objects.
第二,考慮景深距離補(bǔ)償?shù)目焖賵D像增強(qiáng)算法。
電子、通信與自動(dòng)控制技術(shù)
景深