New lens announcement this week (third party manufacturer)

I have been told this week a third party manufacturer will announce a new lens. And in August most of those lenses will be announced too:

• Tamron 50-400mm F / 4.5-6.3 Di III VC VXD
  Release in July
• Yongnuo 16mm f/1.8 FE lens
  Release in August
• Tokina 11-18mm f/2.8 E
  APS-C autofocus lens
  67mm Filter thread
  micro USB port
  On market in September
• Sigma 20mm F1.4 DG DN Art
  Lens configuration: 17 elements in 15 groups (2 SLD glasses, 3 aspherical lenses)
  Number of aperture blades: 11 (circular aperture)
  Minimum shooting distance: 0.23m
  Maximum shooting magnification: 1: 6.1
  Filter Diameter: 82mm
  Size: φ87.8 x 111.2mm (E-mount version 113.2mm)
  Weight: 635g (E-mount version 630g)
• Sigma 24mm F1.4 DG DN Art
  Lens configuration: 17 elements in 14 groups (1 piece of SLD glass, 2 pieces of FLD glass, 4 pieces of aspherical lens)
  Number of aperture blades: 11 pieces (circular aperture)
  Minimum shooting distance: 0.25m
  Maximum shooting magnification : 1: 7.1
  Filter diameter:
  72mm Size: φ75.7 x 95.5mm (E-mount version 97.5mm)
  Weight: 520g (E-mount version 510g)