The Sigma 85mm F1.4 DG DN is the latest in the company’s ‘DN’ (Digital Native) lens lineup, designed specifically for use with mirrorless interchangeable lens cameras. Like previous DN-series lenses, the 85mm F1.4 is available in two mounts: L (Sigma, Leica and Panasonic), and Sony E-mount.
Click through this article for a closer look at Sigma’s latest portrait prime lens.
New optical formula
The Sigma 85mm F1.4 DG DN might share a focal length and maximum aperture with the older 85mm F1.4 DG HSM Art (released in 2016) but the similarities end there. This is a completely new optical design, comprising 15 elements in 11 groups, with five SLD (super low-dispersion) elements and one aspherical element.
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https://www.dpreview.com/articles/8113929461/hands-on-with-the-sigma-85mm-f1-4-dg-dn?slide=2
