Figure 7.

3D printed micro‐objective with three elements. a) SEM image of the printed micro‐objective, b) optical layout, c) setup for evaluating the imaging performance of the printed micro‐objective, b) the image of 1951 USAF resolution target, and e) image of a housefly wing captured by the printed micro‐objective. f) Optical layout of endoscope objective with three elements. g) SEM image of the printed micro‐objective. h) The image of 1951 USAF resolution target, and i) image of a housefly wing captured by the printed endoscope objective.