The Samyang 20mm T1.9 ED AS UMC is a high-quality ultra-wide-angle lens for cameras with a Full-Frame or APS-C format sensor. This fixed focal lens is made for videography and is ideal if you want to film reports, landscapes or architecture with a high-quality wide angle with a Full-Frame camera. Even in low light, you can take perfect shots and the sharpness is excellent even at large aperture openings. Thanks to the large and luminous T1.9 aperture, you can take images with a very small depth of field.