Subscribe now

Technology

Camera zoom operated by eyelid movement

30 March 2005

Talk about having an eye for a picture. Japanese company Sharp has designed a camera that allows you to zoom in simply by partially closing your eyelid. Sharp’s automatic zoom technology, developed at its US lab in Washington state, uses an optical sensor just below the viewfinder to detect how much of the white of your eye, the sclera, is visible. Partially closing your eye for longer than the time it takes to blink activates the zoom, and doing this again zooms back out.

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop