For a real laser, there exists hard-aperture optics more or less.

对实际激光，一方面或多或少存在硬边光阑光学元件影响。

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A fast testing method on inspecting defects of large aperture optics was introduced.

本文提出了一种光学零件表面疵病检验方法。

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The larger the aperture of a telescope, the more resolution the instrument is capable of, assuming the telescope optics are of high quality.

望远镜的孔径越大，该设备分辨率就越好，前提是该望远镜的光学设计良好。

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This phone also breaks new ground in optics with 1080p video recording, f2.0 aperture and a dedicated HTC ImageChip on the main 8-megapixel camera and an ultrawide-angle lens on the front camera that lets you fit up to four people in the frame for a premium Skype experience.

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