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Fig. 5 | SpringerPlus

Fig. 5

From: Controllable liquid colour-changing lenses with microfluidic channels for vision protection, camouflage and optical filtering based on soft lithography fabrication

Fig. 5

Camouflage glasses. a Design of the microfluidic channels on the lens (top) and cross-sectional schematic of the region indicated by the dotted yellow line (bottom). b Colse-up image of the camouflage lens without camouflage effect. c Images of the lenses with and without camouflage in different backgrounds

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