Canon CN7x17 KAS S 17-120mm Cine-Servo

The Canon CN7x17 KAS S 17-120mm Cine-Servo is a versatile cinema lens designed for 4K broadcast and cinema productions. It features a removable servo drive unit, allowing for traditional ENG-style operation or manual control in a cinema rig. With a 7x zoom ratio and a focal range of 17mm to 120mm, it covers the Super 35mm sensor format and provides consistent optical performance throughout the zoom range. Second-hand units should be examined for the integrity of the electronic connections between the drive unit and the lens body. The zoom, focus, and iris rings should rotate smoothly without any grinding or resistance. SDS checks the servo motor response and ensures the glass is free from imperfections that could affect 4K resolution, particularly looking for dust ingress in the internal zooming mechanisms.