Those are the rumored Sigma 18-50mm F2.8 DC DN Contemporary lens specs

Probably next week Sigma will announce the new 18-50mm F2.8 DC DN Contemporary lens. Here are the specs:

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
size φ65.4 × 74.5mm (E-mount version φ61.6×76.5mm)
weight 290g.

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via Nokishita