The Sony 28-75mm f/2.8 A Mount Lens covers a wide range in a small size making it a great travel lens. The f/2.8 maximum aperture is suitable for low-light conditions and the Smooth Autofocus Motor provides quick and quiet autofocus with a rapid start/stop response time. The zoom lock switch keeps the lens compact when not in use. This lens is ideal for events, portraits, street photography, and travel.