| 释义 |
景深jǐngshēn〈摄影用语photog.〉指用摄影机拍摄某景物时,可保持该景物前后的其他景物成像清晰的范围,使用小光圈、短焦距和适当地利用暗影,都可以得到较好的景深。{depth of field; range of distances measured along the optical axis of an image-forming device, as a lens, throughout which objects are imaged with satisfactory definition on a given plane perpendicular to the axis. An ideal depth of field can be obtained through adjusting aperture and focal length, and by proper use of shade.} |