The Samyang Optics 50mm T1.3 AS UMC CS is a standard wide-angle lens with manual focus designed for mirrorless cameras with APS-C sensor sizes. With a notably bright T1.3 aperture, the lens produces bright and reliable images in low light conditions and offers impressive bokeh. The 50mm T1.3 is a versatile lens, particularly suited for portraits. The Samyang 50mm T1.3 AS UMC CS allows for finer video work with T-number markings. The focus gear ring is mounted for follow focus systems. With the decoupled aperture gears, you can change the aperture quietly and smoothly. Additionally, the distance scale and T-numbers are marked on both sides of the lens.