Sigma will soon announce a new 18-50mm f/2.8 DC DN | Contemporary mirrorless lens for L and E mount. This leak comes from a photographer who has a pre-production version of the lens for reviews (via Nokishita).
Update - here are the lens specifications:
- 13 elements in 10 groups
- minimum shooting distance 12.1cm (wide angle) / 30cm (telephoto)
- maximum shooting magnification 1: 2.8( Wide angle) / 1: 5 (telephoto)
- filter diameter 55mm
- dimenssions: 65.4 × 74.5mm (E-mount version: 61.6x76.5mm)
- weight 290g