RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-05273
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July 6, 2019 at 11:55 am
#41837
ServiceLedger 08696Participant
Case 28 — 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.