Samyang 50mm T1.5 XEEN Cine Lens - Sony E Mount (p/n 7957) XEEN is a range of video-cinema lenses which blazes a new trail in the professional lens market. The optics are a masterpiece of design and a culmination of Samyangs expertise in optical engineering. Guided by feedback from professional directors of photography they were created to deliver the quality demanded by commercial and artistic productions. XEEN delivers superior optics with bright T1.5 aperture and outstanding optical performance for 4K+. The camera operator is free to concentrate on the thing that matters; realizing their creative power. XEEN lenses feature declicked gear rings in identical locations so that changing to another lens is fast and easy. A masterpiece of both form and function the XEEN series aims to deliver unparalleled performance and affordability to satisfy the needs of videographers and filmmakers regardless of the situation or equipment. XEEN lenses feature declicked gear rings in identical locations so that changing lenses is no longer a hassle. Mounts are interchangeable meaning each lens can be used on a variety of cameras. The XEEN series aims to delivers unparalleled performance with affordability to satisfy the needs of videographers and filmmakers regardless of the situation or equipment.