A large-diameter prime lens compatible with all L Mount cameras for maximum versatility, quickly and easily exchangeable with others in the series of F1.8 lenses when on a gimbal. Rugged dust/splash-resistant design and common filters can be used. The S-S18 excels in video recording performance with suppressed focus breathing, together with a micro-step aperture control for smooth exposure changeMaking the Visual World Broader and DeeperCombines an ultra-wide angle, a compact form, and outstanding imaging performance. Focus breathing inhibition and seamless exposure control contribute to the beautifully smooth video capture. Aligned with the rest of the F1.8 Series, ensuring continuity even as you change lenses.Ideal for Video RecordingThe S-S18 lens offers fast, accurate autofocus and smooth aperture changes, critical for the modern content creator, allowing you to record beautiful 4K video and stills without disturbing your subject.