optical
A thin, flexible fibre with a glass core through which light signals can be sent.
A computer mouse which uses a light source to detect movement relative to a surface.
Something that deceives the eye by appearing to be other than it is.
A piece of glass or other transparent material with curved sides for concentrating or dispersing light rays.
光学ドライブ
A type of computer disk drive that reads and writes data from optical disks.
光ディスクからデータを読み書きするコンピュータのディスクドライブの一種。
光ディスク
A flat, circular plate on which data can be stored by cutting pits with a laser.
レーザーでピットを刻むことによってデータを保存できる平らな円盤。
A microscope that uses visible light and a system of lenses to magnify images of small samples.
光学望遠鏡
A telescope that gathers and focuses light, mainly from the visible part of the electromagnetic spectrum.
可視スペクトルからの光を集めて焦点を合わせる望遠鏡
光学機器
An instrument designed to assist seeing, such as a microscope or telescope.
顕微鏡や望遠鏡など、視覚を補助するために設計された機器。
光学系
A combination of optical components, such as lenses, mirrors, and prisms.
レンズ、鏡、プリズムなどの光学部品の組み合わせ。
光学照準器
A device on a firearm that uses optics to help the user aim.
使用者が狙いを定めるのを助けるために光学系を使用する銃器の装置。