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单词 back focus
释义

back focus


noun Photography.

the distance between the back surface of a lens and the focal plane when the lens is focused at infinity.

Origin of back focus

First recorded in 1895–1900

Words nearby back focus

backfit, backflash, backflip, back float, backflow, back focus, back foot, back formation, back forty, back four, backgammon
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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更新时间:2024/12/23 13:54:56