RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-05369
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July 14, 2019 at 12:54 am
#42885
DialCheck 09744
Participant
Case 4 — Disputed observation: is this dial colour shift real or just lighting?
Suggested protocol. 1) Both dials in one frame. 2) Diffuse daylight, no direct sun, plus a second shot under neutral indoor light. 3) Grey card visible. 4) No filters, no editing. 5) State camera settings if known. If both shots show the same direction of difference, the claim is supported. If the difference flips between lighting conditions, it's most likely lighting.