A first or third-party application that works with the Windows Phone camera to offer additional features and functionality for users taking and editing pictures.
— Computer Sciencetransparent device with at least one curved surface that changes the direction of light passing through it
— Physicsa piece of glass in a camera through which light passes before hitting the film stock inside; various types include wide- angle lens, telephoto lens, normal, etc.; to lense means to film a motion picture
— Film Terms