The Fujinon XT17sx4.5 is a 1/3" HD ENG Type zoom lens equipped with eXceed Series Semi-Servo Drive unit and a 4.5-77mm focal range. This lens has a new ergonomic grip design for easy handling. With the push of a button the XT17SX4.5BRM's quick zoom function will allow rapid zoom movement to the telephoto position to check focus. These lenses were designed for JVC's ProHD line of ENG 1/3" camcorders.