Substratum,hemi-spherical r Bv
Flatness L/2 @633 nm on flat surface or better(specify). O`nrXC{
Figure irregularity L/10@633nm. `!?SA<a:
no chips exceeding 6{rH|Z
Thickness specified at the edge, all types. Sri,sZv
Substratum BK7 D20×5 PCX f+ 300 mm :NL.#!>/
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!