Canon's widest-angle cine servo lens follows on from the popular CN7 17x Zoom Lens. The 1.5x internal extender gives you 180mm distance and coverage on full-frame sensors.
Standardized 114mm front with 0.8 and 0.5 pitch gears
Three 20-pin connectors for use with the Canon ZSD-300D and FPD-400d Zoom Controllers