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RE: Crystal reflections: why a dark patch is not a coating test · RWI-27250

Home › Forums › News and General Discussion › New Members Area › Crystal reflections: why a dark patch is not a coating test · RWI-27250 › RE: Crystal reflections: why a dark patch is not a coating test · RWI-27250

August 9, 2025 at 8:40 am #219666
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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.