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RE: [Demo notebook] Reference notebook: corrections and recurring beginner questions · RWI-27800

Home › Forums › News and General Discussion › New Members Area › [Demo notebook] Reference notebook: corrections and recurring beginner questions · RWI-27800 › RE: [Demo notebook] Reference notebook: corrections and recurring beginner questions · RWI-27800

October 6, 2025 at 6:25 am #224365
QCNotebook 01947
Participant

Case 27 — Crystal reflections: why a dark patch is not a coating test

No single lighting setup settles that question. Compare multiple controlled angles and describe the visible observation without asserting material specifications that have not been verified.