Video-Optics model V1521 / 271-5600 Camera system, assembly no. 939-0940-REV-C. New/Surplus. Includes lens, camera, and camera control unit / CCU. Excerpt from manual: The Siemens V1521 camera system is a highly stable, low-noise Saticon tube camera. Its primary intended use is low-light imaging. The camera is a two-piece system, with operator controls available to the user at distances up to 150ft from the camera head. The camera has two modes of operation: 1) a 30 FPS 525 interlaced line mode, and 2) a "beam blanked" progressively scanned integrating mode.