With identical sensors, would you expect identical images?

Started 1 month ago | Discussions thread
FTOG Contributing Member • Posts: 992
Re: With identical sensors, would you expect identical images?

Light can change within seconds, leading to variation.

Did you record these with a fixed white balance? Auto white balance also creates minute variances shot-to-shot.

As a proxy for redoing the shots, if you adjust the white balance manually in post to be identical down to the Kelvin, do you observe any differences that aren't exposure related (see note on light above)?

Side note: any product made in a factory will be produced to a target tolerance quota. Within a narrow margin, variance is designed into the manufacturing process and tolerated in quality control. Any mass production isn't about identical products, but "identical enough" (i.e. within tolerance specification). The narrower the tolerance spec, the more expensive it is to manufacture, as it increases need for precision and/or more units out of spec are discarded, which costs money. When you apply this logic of additive tolerances to each component within the camera (and the assembly thereof), minute differences are possible.

That said, with sufficiently narrow tolerances, any variance in handling the camera or changing light conditions should be far more significant than manufacturing variances by several magnitudes.

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