F1.8 Super Large Aperture High Resolution: The f1.8 aperture allows for excellent low-light performance, making it easier to shoot in dimly lit environments without having to use a flash or raise your ISO too high. It also allows you to achieve a shallow depth of field for creative effects and selective focus. | Wide-angle Perspective: 16mm focal length,105.6°angle of view, this lens is great for capturing expansive landscapes, cityscapes, and interiors. You can fit more into the frame and create dynamic compositions that draw the viewer in. It can also be used for other subjects such as street photography, architectural details, and even astrophotography. | Eye and Face Recognition: With advanced eye and face recognition technology, the 16mm lens can detect and track subjects' eyes and faces, ensuring that your shots are always sharp and well-focused, even when shooting at wider apertures or in low light conditions. | LCD Display: With an LCD display built right into the lens body, you can easily see important shooting parameters like aperture and focus distance without having to take your eye off the viewfinder or check your camera's screen. This can save you time and help ensure that you're getting the shots you want, further streamlining your shooting process. | 12 Groups of 15 Optical Elements: Features 12 groups of 15 optical elements, 3 of which are aspherical lenses, achieving an ultra-high resolution that captures vivid and detailed pictures with a wide viewing range. | Quiet STM Stepping Motor: Equipped with an STM stepping motor for precise autofocus and tracking, The STM stepping motor provides the high driving force for precise and fast autofocus and tracking, supporting face and eye focus recognition without distracting noise. | Portable & Versatility: Weighing just 19.5 ounces, this ultra-wide large-aperture lens is incredibly compact, making it easy to carry around and providing users with creative and unique photographic perspectives. It also features a full metal body with a lens hood and is compatible with a large number of filters, providing more versatility to the lens.