Ultra wide angle, bright Samyang 16mm T2.2 ED AS UMC CS lens is intended for digital reflex cameras and mirrorless compact cameras fitted with APS-C sensor. VDSLR Samyang lenses are fitted with racks compatible with the Follow Focus system. This solution allows for effortless and accurate rotation of focus and aperture rings. The aperture ring is rotated smoothly and noiselessly. These modifications allow for extremely comfortable and effective control of focal plane and depth of field during filming.\n\nThe lens has been designed with an extreme care for details. Its optics comprise of 13 elements arranged in 11 groups, including one ED element with very low dispersion factor, aspherical element made of optical glass and hybrid-aspherical element. The lenses have been covered with multi-layered anti-reflective UMC coatings to ensure perfect light transmission. Brightness of the lens corresponds with the T-number of 2.2. To facilitate the reading on the focus and aperture scale, both these indexes are marked in a parallel position to the optical axis of the lens.