New Samyang 16mm f/2.0 ED AS UMC CS is a ultra wide-angle manual focus lens designed for CS / cropped sensors APS-C cameras. The Samyang 16mm is a rectilinear lens, offering superb image quality & low distortion. It is perfectly suited to cropped sensor cameras for landscape & general photography requiring a high quality wide angle lens. The large f 2 aperture allows for low light photography. Optical construction is 13 elements in 11 groups, with 2 aspherical lenses, 1 Extra-low Dispersion (ED) element & one hybrid aspherical & feature Samyangs UMC Ultra Multi coating coating which ensures superb transmission of light, & minimises flare & ghosting. The elements are housed in a solid body weighing from approx 570g, dependant on mount. Suitable for both for professional & amateur photographers the 16mm is equivalent to 24mm equivalent on APS-C sized sensors, 25.6mm on Canon EOS (1.6x crop factor), & 32mm on Olympus & Panasonic MFT sensor system cameras. The new Samyang 16mm lens accepts 77mm filters to attach ND, polarisers or any filter with a 77mm filter thread The Samyang 16mm features a wide, ribbed manual focus ring which is smooth & well-damped. This provides a positive manual focus, particularly suitable for more professional videoing / filming with DSLR’s where manual focus is preferred, enabling focussing pulling whilst video recording. The lens is supplied with front & rear lens caps & soft lens case.