The Samyang 21mm F1.4 ED AS UMC CS is a manual focus wide-angle lens designed for Sony E mount mirrorless cameras with APS-C sensors. Featuring exceptional optical technology with eight glass elements in seven groups-including one extra-low dispersion lens and three aspherical elements-this lens delivers high resolution and minimal aberrations from centre to corner. The bright F1.4 aperture makes it ideal for low-light photography, creative depth-of-field control, and capturing stunning bokeh with its nine-blade diaphragm. Built with a solid aluminium alloy frame and featuring Ultra Multi Coating (UMC) to reduce flare and ghosting, this compact and lightweight lens (approximately 275g) is perfect for landscapes, portraits, interior photography, and general walk-around use. With a minimum focus distance of just 0.28m and 58mm filter diameter, the Samyang 21mm F1.4 offers versatility and exceptional image quality at an affordable price point.