RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-08313
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May 10, 2020 at 5:58 am
#64085
DialCheck 00944
Participant
Case 31 — Case finishing: distinguish a reflection from a surface mark
Ask for photographs with the light moved and retain the same viewing angle. A mark should be assessed across multiple views; aggressive polishing is not an appropriate diagnostic test.