The used Canon EF 70-200mm F4 L USM lens offers professional-grade telephoto performance in a lightweight, compact design. Its constant f/4 aperture ensures consistent exposure and depth of field across the zoom range, while the Ultrasonic Motor (USM) provides fast, quiet autofocus ideal for both photography and video. Built with Canons renowned L-series optics, this lens delivers sharp, high-contrast images with excellent color fidelity. Perfect for portraits, sports, and wildlife photography, it combines versatility and reliability for expert users seeking quality and portability.