尺寸公差.......................................................+0.00, -0.05mm
定向..................................................... 0.1°
波前畸变...........................................................λ/10 @632.8nm
相位延迟.................................................................λ/2, λ/4,  

  延迟................................................................< λ/500
平行度.........................................................< 1″
有效孔径..........................................................> 90%
光洁度................................................................20-10
崩边..................................................................< 0.02mm