Sigma 20mm F/1.4 DG DN Art Lens (Sony E)

Sigma 20mm F1.4 DG DN | Art Lens for Sony E / FE mount is a full frame ultra wide angle prime lens for Sony E mount mirrorless camera system perfect for astrophotography, landscapes, interiors and a range of other wide-angle applications. Delivering outstanding optical quality and offers a range of advanced features. This updated version weighs 635g and is significantly lighter and more portable than Sigmaâs older 20mm F1.4. It also introduces a number of other features including a manual aperture ring with de-click and lock functionality, a front filter thread and rear filter holder, a Lens Heater Retainer to hold a heat strip in position, and an all-new Manual Focus Lock switch to fully deactivate the focus ring. It takes front filter size of 82mm. The Sigma 20mm F1.4 DG DN Art Lens offers exceptional optical performance, the lens is constructed with 17 elements arranged in 14 groups, including two SLD elements and three aspherical elements. This advanced optical design rigorously...