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SEM images of a) plano‐convex singlet, b) plano‐concave singlet, c) bi‐concave singlet, d) bi‐convex singlet, e) meniscus lens, and f) lenslet array. g,h) Images of 1951 USAF resolution target captured by the plano‐convex singlet in (a) and the plano‐concave singlet in (b). i) The image of University of Arizona logo captured by the lenslet array in (f). Scale bar: 50 µm.
