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词汇 focimeter
释义

Definition of focimeter in English:

focimeter

(also focometer)
noun fəʊˈsɪmɪtə
Optics Photography

  • An instrument for finding the focal length of a lens; specifically an instrument for finding the chemical focus of a lens, especially in relation to the visual focus.

Origin

Early 19th century. From foc- + -imeter.

Definition of focimeter in US English:

focimeter

(also focometer)
nounfəʊˈsɪmɪtə
Optics Photography

  • An instrument for finding the focal length of a lens; specifically an instrument for finding the chemical focus of a lens, especially in relation to the visual focus.

Origin

Early 19th century. From foc- + -imeter.
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