The new announced Sony FE 20mm f/1.8G lens now officially released, already in stock and shipping at Adorama/Amazon/B&H Photo Video. The US price for this lens is $898. This is a great light wide-angle prime lens for Sony a7 series mirrorless cameras.
Update: Nokishita Camera has confirmed that this wide-angle prime lens is FE 20mm f/1.8 G Lens (SEL20F18G).
Germany website Digitalkamera.de has leaked the upcoming Sony FE 20mm f/1.8 lens (SEL20F18F) for Sony full frame mirrorless cameras. This lens is expected to have similar price and design as Sony FE 35mm f/1.8 lens.