The new Sigma 20mm and 24mm f/1.4 FE lenses will be announced in early August

I have been told Sigma will announce the two new wide angle primes in August. Here are the known specs:

• 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)
  AF assist function
  MFL switch (MF lock)
  rear filter holder
  lens heater retainer
  152,900 yen including tax
• 24mm F1.4 DG DN Art
  Lens configuration: 17 elements in 14 groups (1 SLD glass, 2 FLD glasses, 4 aspherical lenses)
  Number of aperture blades: 11 (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)
  AF assist function
  MFL switch (MF lock)
  rear filter holder
  lens heater retainer
  Weight: 520g (E-mount version 510g)