Optical apparatus for displaying enlargements of graphic copy includes a platform carrying a television camera having an optical pickup lens. The platform is rotatable on a horizontal axis. An arm is secured to the platform and extends downwardly toward the copy. A frame is pivotably secured to the arm to bear on the copy and outline an image scanning field. A mirror is pivotably secured to the platform and is adjustable in an optical path including the lens and frame. The platform has depending legs carrying wheels or casters. A handle on the arm facilitates lifting the frame off the copy and moving the apparatus in a horizontal plane.