光こう学がく系けい

noun

optical system

Technical term for a system of lenses, mirrors, and other optical components.

• この顕けん微び鏡きょうの光こう学がく系けいは非ひ常じょうに精せい密みつだ。

  The optical system of this microscope is very precise.

• 光こう学がく系けいの設せっ計けいには高こう度どな知ち識しきが必ひつ要ようだ。

  Designing an optical system requires advanced knowledge.