The Canon B4 CJ15ex4.3 IASE is a high-performance 4K UHD broadcast zoom lens designed for professional video production and live broadcasting. Featuring a 15x zoom range from 4.3mm to 64.5mm, this lens offers exceptional versatility for wide-angle to telephoto shots, making it perfect for a variety of filming scenarios. Its advanced optical design incorporates Canon’s high-end IASE (Instant Autofocus and Stabilization Enhancement) technology, ensuring precise, fast autofocus and smooth image stabilization even in dynamic and challenging conditions. The lens delivers stunning image quality with sharp details, accurate color reproduction, and minimal distortion, making it ideal for applications such as sports, news, and event broadcasting. The B4 mount compatibility ensures seamless integration with broadcast cameras, while its compact and lightweight design provides ease of use in field productions.