Manufacturers are not required to measure the surface roughness listed in 6.A.4.e.2. unless the optical element was designed or manufactured with the intent to meet, or exceed, the control parameter.
2. 制造商不必按照6.A.4.e.2.的要求去测量表面粗糙度，除非该光学元件的设计或制造的目标是意在达到或超过被控制的参数。