[Brightcolours]

I did enjoy the Sigma 18-50mm f2.8 DC on my Canon EOS 350D and 450D, way back when. 
Now Sigma will bring a lens like that to mirrorless APS-C.

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.