focusing screen

名词 n.
中文释义

英文释义

名词 n.
  1. A flat translucent material found in a system camera that allows the photographer to preview the framed image in a viewfinder.
    — Once the microgrid and split-image rangefinder became the major focusing controls, the focusing screen itself became a secondary or even tertiary focusing area and was/is generally ignored by many users.

词形变化

focusing screens plural
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