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Figure 4
(Left) A diffraction frame and (right) its simulation, taken from dataset DS4. The arrows indicate an aperture limiting the field of view of the diffraction pattern, and the white cross with coordinates shows the refined position of the optical axis of the microscope (distortion centre) on the 2 k × 2 k detector.

IUCrJ
Volume 9| Part 6| November 2022| Pages 735-755
ISSN: 2052-2525
https://doi.org/10.1107/S2052252522007904