Figure 7
From: Electrowetting lens with large aperture and focal length tunability
MTF curve of the EWOD lens: (a) D = 2.5 mm, f = -35.6 mm (b) D = 6 mm, f = − 35.6 mm (c) D = 2.5 mm, f = − 42. 5 mm, and (d) D = 6 mm, f = − 42. 5 mm, where D denotes the optical aperture and (f) denotes the focal length.
