Liquid lens
A liquid lens is a lens made of a liquid material.
It can have an electrical charge across it make it change shape, useful for varifocal displays.
It is a type of switchable lens or tunable lens.
A liquid lens is a lens made of a liquid material.
It can have an electrical charge across it make it change shape, useful for varifocal displays.
It is a type of switchable lens or tunable lens.