Product Description The Samyang 16mm T2.6 VDSLR ED AS UMC is a wide angle cine lens designed for DSLR cameras with full frame sensor size. Inheriting the renowned image quality of Samyang’s other wide-angle lenses, the 16mm angle of view is commonly used by directors of photography around the globe for its versatile usage for wide-angled emotional scenes in film and videos. 14 lens elements in 11 groups are used to create the ideal cinematic performance. A combination of 2 glass aspherical lenses, 2 extra-low distortion lenses and 2 high refractive lenses are used to effectively create the flow of the light and to minimize any colour aberrations and distortion. The Samyang 16mm T2.6 is a cine lens optimally designed for professional follow focus systems, thanks to the quiet and smooth de-clicked focus and aperture gear rings. Also, the distance scale and T numbers are marked on both sides of the lens for convenience when filming. Image Sensor size: Full frame 35mm. Focal length: 16mm. Aperture range: T2.6 - 22 (stepless, with gearing). Filter Diameter: None. Angle of view: 66.86 degrees. Minimum focus distance: 0.3m. Focus type: manual focus (with gearing). Number of diaphragm blades: 9. Lens construction: 14 elements in 11 groups (2 ED, 2 HR, 2 Aspherical). Dimensions (max): 81.65mm Dia x 120.9mm L Box Contains Lens, Lens Caps, Lens Pouch