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The focal length of the liquid lens is adjusted by changing the pressure of the liquid. As the pressure of the liquid increases, the lens bulges and its sides steepen (image credit: IMRE)
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A website from the Institute of Physics
A website from the Institute of Physics
The focal length of the liquid lens is adjusted by changing the pressure of the liquid. As the pressure of the liquid increases, the lens bulges and its sides steepen (image credit: IMRE)