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单词 focusing glass
释义

Definition of focusing glass in English:

focusing glass

noun

  • 1A ground glass screen used to view and focus the image produced by a view camera; a focusing screen.

  • 2A small magnifying glass designed to be placed against the focusing screen of a camera, especially as an aid to focusing the image projected upon the screen (now rare).

Origin

Mid 19th century; earliest use found in List Prices.

Definition of focusing glass in US English:

focusing glass

noun

  • 1A ground glass screen used to view and focus the image produced by a view camera; a focusing screen.

  • 2A small magnifying glass designed to be placed against the focusing screen of a camera, especially as an aid to focusing the image projected upon the screen (now rare).

Origin

Mid 19th century; earliest use found in List Prices.
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更新时间：2025/7/4 17:57:49