• The condenser is equipped with an iris diaphragm, a shutter controlled by a lever which is used to regulate the amount of light entering the lens system.

    聚光镜装配瞳孔一个有贡控制快门用来调节进入镜头系统

    youdao

  • The condenser is equipped with an iris diaphragm, a shutter controlled by a lever which is used to regulate the amount of light entering the lens system.

    聚光镜装配瞳孔一个有贡控制快门用来调节进入镜头系统

    youdao

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