Follow the live stream for the triple Sigma E-mount lens announcement!

Here are the lens specs: 17mm F4 DG DN | Contemporary (Full Frame) Lens construction: 9 elements in 8 groups Shortest shooting distance: 12cm Maximum magnification: 1:3.6 Filter diameter: 55mm Size: φ64.0mm x 48.8mm (50.8mm for E mount version) Weight: 225g (220g for E-mount version) Magnetic metal cap 50mm F2 DG DN | Contemporary (Full…...