尺寸公差..................................................±0.1

平面度....................................................λ/10
波前畸变..................................................λ/8 @632.8nm
平行度....................................................< 30″

有效孔径..................................................> 90%
光洁度.....................................................20-10

崩边.......................................................< 0.02mm

倒角.......................................................< 0.2mm