The Canon RF 10-20mm f/4 L IS STM Lens offers ultra-wide-angle versatility with a constant f/4 aperture, perfect for capturing expansive landscapes and architecture. Its Image Stabilization (IS) ensures sharp, steady shots even in low light or handheld conditions. The STM motor delivers smooth and quiet autofocus, ideal for both photography and video. Durable and compact, this lens combines professional-quality optics with user-friendly features to help you capture stunning wide-angle images effortlessly.