单词 | back focus |
释义 | back focusnoun Photography.the distance between the back surface of a lens and the focal plane when the lens is focused at infinity. Origin of back focusFirst recorded in 1895–1900 Words nearby back focusbackfit, 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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