【F1.2 Super Large Aperture】Unprecedented F1.2 ultra-large aperture.Ultimat beautiful bokeh experience, natural and smooth transitior soft and charming out-of-focus, clear and sharp in-focus, vividly like the subject jumps out, A very shallow depth of field creates a layened expression of depth in the picture.The super large aperture of F1.2 opens up more possibilities in the dark night,with a higher shutter speed and a lower ISO. | 【Excellent Autofocus Performance】Built-in STM stepper motor provides high driving force for accurate auto focus and tracking focus. Fast, smooth, accurate and quiet auto focus and tracking can be achieved even under extremely shallow depth of field. Meanwhile, eye-controlled focus and animal focus recognition are supported, with better response, lower delay and vibration. | 【11 Groups of 16 Optical Structure】16 lens elements in 11 groups provide a sophisticated optical design, allowing the lens to maintain excellent resolution throughout the entire focusing range, with sharp images and amazing consistency from center to edge. | 【Video Shooting Optimization】Inherently superior large aperture brings greater light flux and the proficient autofocus system makes the breathing effect insignificant, allowing the creation to immerse itself in the story. Reliable video shooting ability. | 【All Metal Body Waterproof】High quality aluminum alloy forging matte black outlooking,waterproof structural design, avoiding dust and water droplets, no fear of using in complex outdoor environments.