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Figure 4
Antisymmetrical (left) and symmetrical (right) aberrations measured on the phase-plate data set. The upper image shows independent per-pixel estimates and the lower image shows the parametric fits. Note the four afterimages of previously used phase-plate spots in the upper right image. They cannot be represented by our model. The dashed circle indicates a resolution of 2.12 Å.

IUCrJ
Volume 7| Part 2| March 2020| Pages 253-267
ISSN: 2052-2525
https://doi.org/10.1107/S2052252520000081