RE: [Demo notebook] Reference notebook: corrections and recurring beginner questions · RWI-06940
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December 21, 2019 at 2:56 pm
#54080
TimingNotes 00939
Participant
Case 17 — Disputed observation: is this dial colour shift real or just lighting?
The difficulty is that phone cameras adjust white balance automatically, and blue dials are especially sensitive. Two photos of the same dial under different light can easily look like a 'batch difference'. Any comparison needs both dials in the same frame, under the same light, ideally next to a neutral grey or white reference card.