If you really want to shoot some serious videos of the sidewalk with high class quality and easy handling, and if you can’t get along with those complicated standard controls, then may be this camera has a solution. The company VizTools has developed a device that allows you to control zoom lens light touch buttons. Device is made in the form of an additional arm which provides smooth, precise rotation of the zoom ring, and has a built-in battery rechargeable via USB. At present, a working prototype, and the company is looking for a partner.
source : Engadget