Canon HJ21x 7.5B-II KLL-SC HD-EC Zoom Lens
HD Electronic Cinematography Lens built for 2/3" CCD cameras with 21x zoom.
The Canon HJ21x 7.5B-II KLL-SC is intended for directors and cinematographers who use digital motion picture systems for production of prime time drama and episodic television, television commercials and features.
Consistent color and temperature between lenses.
Minimized focus breathing -- the lowest of any comparable lens.
Working distance between the camera and subject does nto affect optical performance.
Internal Focus Technology -- a three-group Internal Focus to improve optical performance at longer distances at high zoom ratios.
Eight blade iris