Here is the accurate size comparison. A full spec comparison can be see at Asobinet.
Preorders:
Sony A7cII at BHphoto, Amazon US&EU, Adorama, FotoErhardt, Fotokoch, Calumet, WexUK. Sony AUS.
Sony A7cR at BHphoto, Amazon US&EU, Adorama, FotoErhardt, Fotokoch, Calumet, WexUK. Sony AUS.
16-35GMII at BHphoto, Amazon US&EU, Adorama, FotoErhardt, Fotokoch, Calumet, WexUK. Sony AUS.
