How the new Sony 16-35mm f/2.8 GM compares to its rivals?

This image shows how the new Sony 16-35mm f/2.8 GM compares in size to the slower Zeiss Vario-Tessar T* FE 16-35mm f/4 ZA OSS. 

The new GM lens is heavier 160g.

The image above shows the comparison between the Canon 16-35mm f/2.8 on the left (790g and $1,999), the new Sony 16-35mm f/2.8 GM in the center (680g and $2,199) and the Nikon 16-35mm f/4.0 on the right (680g and $1,100).

Preorders start in May 19:
Sony 16-35mm f/2.8 GM
Sony 12-24mm f/4.0