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Images of dedicated aluminum-on-glass patterns: lensless with source 2 (a), and static e-STOM images with the sample dropped directly onto source 2 (b) or onto source 1 (c). In all cases the detector is 6.9 μm in size. Insets at top left sketch the respective setups (LEDs at bottom, detectors at top and sample red colored), and enlarged areas show how 6.4-μm squares are resolved.
