Tomorrow’s Next Big Thing in Photography: Faster, Lighter, More Compact — Focus Tunable Lenses Copy the Principle of the Eye

Working principle of Optotune’s electrical lens EL-10-30. In this case, the lens-shaper ring remains in place relative to the container. The only movement is a ring that pushes down on the membrane in the outer part of the lens with increasing current, thus pumping the liquid into the center of the lens. | optotune.com