Specifying surface apertures 各面通光口径的确定

User defined apertures and obscurations 用户自定义口径和挡光

Hiding rays to and from surfaces 到达表面和从表面射出的光线的隐藏

Setting and removing solves 设置和撤销求解

Aperture Type 光圈类型

Entrance Pupil Diameter 入瞳直径

（Image Space F/#) 像空间F/#