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(a) Estimation of the resolution via FSC of a 2D Siemens star test pattern for absorption (black) and Zernike phase contrast (red). The best achieved half-period resolution in 2D is 47.2 nm ± 2.5 nm. (b) An overview of the calculated resolution for different scan times using the half-bit criterion. The best half-period resolution in 3D of 64.0 nm was achieved in the 15 min absorption scan using a binning of 2.
