According to Nokishita, Sigma will soon announce a new FE zoom lens Sigma FE 28-70mm f/2.8 DG DN Contemporary lens for Sony E-mount on February 24th. This lens will compete with already released Tamron 28-75mm f/2.8 lens. Stay tuned for more info.
As already confirmed before, Sigma will announce new DN series mirrorless lenses on December 1st, now Nokishita has posted the first leaked images of these new DN series lenses: 24mm f/3.5 DG DN | Contemporary Lens, 35mm f/2 DG DN | Contemporary Lens, 65mm f/2 DG DN | Contemporary Lens.
Back in 2016, Sigma Japan has filed a lens patent for the Sigma 200mm f/2 DG OS Sports lens. Now according to latest rumors, this Sigma 200mm f/2 lens patent could be for Sony E-mount. The new Sigma 200mm f/2 DG DN OS Sports lens for Sony E-mount may coming in 2021. Stay tuned for more info.