An store shortly leaked the Sigma lens pricing. Converted in USD dollars this would be:
- sigma 23mm f/1.4 ~ 500$
- sigma 50mm f/2 : ~ 650$
- sigma 17mm f4 : ~ 600$
Keep in mind that the real final USD price might be a bit different!
Sigma also officially teased the launch date:
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 Frame)
- Lens construction: 11 elements in 9 groups
- Shortest shooting distance: 45cm
- Maximum magnification: 1:6.9
- Filter diameter: 58mm
- Size: φ70.0 x 68.0mm (70.0mm for E mount version)
- Weight: 350g (345g for E-mount version)
- Compatible with magnetic metal caps
23mm F1.4 DC DN | Contemporary (APS-C)
- Lens construction: 13 elements in 10 groups
- Shortest shooting distance: 25cm
- Maximum magnification: 1:7.3
- Filter diameter: 52mm
- Size: φ65.8 x 76.9mm
- Weight: 340g
- Mount: L mount, Sony E mount, Fujifilm X mount