The Canon KJ10EX4.5B IASE S 2/3″ ENG 10x Zoom Lens is a portable lens offering a wide 93.7° horizontal angle of view in a 16:9 HD format. With the built-in 2x extender, this 10x zoom offers focal lengths up to 90mm and a 56.1° FOV. The KJ10EX4.5B has a high MTF (Modulation Transfer Function) over the entire image plane, reduced chromatic aberrations, and improved contrast. A 16-bit rotary encoder provides precision focus, iris, and zoom control, in-camera aberration correction, and compatibility with virtual studio systems.