SIGMA 28-105mm F2.8 DG DN Art Lens with Durable Construction and High-Speed Autofocus (L-Mount)The SIGMA 28 to 105mm F2. 8 DG DN Art Lens for L Mount is not just another standard zoom lens. With a powerful wide angle to medium telephoto focal length and a bright F2. 8 aperture throughout, this full frame mirrorless zoom combines outstanding optical performance, superb build quality and a range of pro grade features to make it one of the most versatile optics on the market for mirrorless systems. The lens is built to tackle a huge range of