The RTP Sliding Camera Arm from Kaiser is for use with Kaiser RS 1, RS 10 and RSX camera stands and it is also suitable for converting Kaiser SYSTEM-V enlargers into copy stands. It is horizontally adjustable to set different distances from the column and it moves 3" (8cm) back and forth on parallel guide rails. This camera adjusting device can be set to different camera bodies and features an interchangeable 1/4" and 3/8" mounting thread. It is made from aluminum and has a rubber pad on the top platform where the camera is mounted.