RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-00405
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February 26, 2018 at 9:52 pm
#6866
MovementIndex 03725
Participant
Case 19 — 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.