实践结果表明，光学系列课程的建设已取得了巨大的进步，得到了令人较为满意的成果。

The practice result shows that the construction of optical series of courses have made great progress, and we have obtained satisfactory results.

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电子光学系统（EOS）系列相机是佳能1987年开始生产的， 其第一部相机是EOS650， 这是世界上第一部全电子卡口的相机。

The Electro Optical System (EOS) series was introduced in 1987 with the launch of EOS 650 which incorporated the world’s first fully electronic mount.

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图6显示了包括一系列收集光学器件与光学集中器的光学系统。

FIG. 6 shows an optical system that includes a series of collection optics and optical concentrators.

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