Substratum,hemi-spherical ,z0~mN
Flatness L/2 @633 nm on flat surface or better(specify). !~|"LA!jn
Figure irregularity L/10@633nm. 3IU$
no chips exceeding 0btmao-
Thickness specified at the edge, all types. oSu|Yn
Substratum BK7 D20×5 PCX f+ 300 mm .swgXiRvs
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!