SonyAlphaBlog tested the new lens and concluded:
The Sony 28-70mm F2 GM is a surprisingly lightweight (918g) F2 zoom lens that is suitable for everyday use. Except for the drop in performance at the corners of the 28mm, it excels in most areas, including resolution, color rendition, micro-contrast, and smooth bokeh. It is an ideal choice for wedding photographers.
Also PCmag tested the lens and concluded:
The Sony FE 28-70mm F2 GM matches the flexibility of a zoom with the image quality and background-blurring power of a prime, and somehow doesn’t break your back in the process.
Sony A1II at BHphoto, Amazon, Adorama, BestBuy, FotoErhardt, FotoKoch, Calumet, WexUK, Clifton, CameraPro. Sony Australia.
Sony 28-70mm f/2.0 GM at BHphoto, Amazon, Adorama, BestBuy, FotoErhardt, Fotokoch, Calumet, WexUK, Clifton, CameraPro. Sony Australia.