Here's the discussion space for the OpticsTalks: Tolerancing A (B/C) Irregularity per ISO, to be hosted by Dr. Erin Elliot.
Check out all the OpticsTalks: https://my.zemax.com/en-US/customer-events/
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To Chinese users:
Do not provide any information or data that is restricted by applicable law, including by the People’s Republic of China’s Cybersecurity and Data Security Laws ( e.g., Important Data, National Core Data, etc.).
不要提供任何受适用法律，包括中华人民共和国的网络安全和数据安全法限制的信息或数据（如重要数据、国家核心数据等）。