Sony will release Vario-Sonnar T * 24-70mm f/2.8 ZA SSM II and Vario-Sonnar T * 16-35mm f/2.8 ZA SSM II Lens in sping 2015.
Below are the details of these two A-mount lenses:
– Improved AF speed
– Updated design and weatherproof body
– Image Quality improvement (like ghost reduction)
Source: DI