New Sigma 150-600mm A-mount monster lens and 18-300 zoom announced in US.
Sigma officially released two new A-mount lenses that have been previously announced in Japan only. Full specs, price info and preorders here:
Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary Lens for Sony A at BHphoto (Click here).
Sigma 18-300mm f/3.5-6.3 DC MACRO HSM Contemporary Lens for Sony A at BHphoto (Click here).