Fujinon XT17sx4.5BRM, XT17, XT17SX, BRM, Standard focal length 1/3 inch ENG lens with ergonomic digital servo, flat f-stop ramping, and Quick Zoom.
Digital Quick Zoom
Quick Zoom speed is improved to 0.7 seconds end to end. Quick Zoom provides for a rapid zoom movement to the telephoto position to check focus with the simple push of a button. Releasing the button returns the lens to the previously selected zoom position. Quick Zoom can now be performed remotely from the ERD-T22 and ERD-10A-D01.
No other lenses come close in performance or features.