Here is a quick specs comparison of new announced Sony a7R III (Amazon/B&H Photo Video/Adorama) and Sony a9 (Amazon/B&H Photo/Adorama). The price for Sony a7R III is $3,198.00, will be shipping in late November, 2017. See also: Sony a7R II Vs. a7R III, a7R III Vs. D850 Vs. 5D Mark IV.
Here is quick specs comparison for the new announced Sony a7R III (Amazon/B&H Photo Video/Adorama) and Nikon D850 (Amazon/B&H/Adorama) and Canon 5D Mark IV (Amazon/B&H/Adorama). The US price for Sony a7RIII body is $3,198.00, will be shipping in late November, 2017. See also: Sony a7R III Vs. Sony a7R II.
The Sony a7R III (Amazon/B&H Photo Video/Adorama) has officially announced early today, a 42.4MP mirrorless camera built around the lessons learned from its flagship a9 sports camera. The result is a high-res full frame camera capable of 10 fps shooting with more tenacious autofocus and many of the improvements existing a7R II users had hoped for. The Sony a7R III will be available for pre-order soon at Amazon/B&H Photo Video/Adorama.
After Sony Alpha a9 (Amazon/B&H Photo/Adorama) officially announced, next high-end full frame mirrorless camera will probably a high megapixel camera, and the name will be Sony a7R III or a9R. According to recently rumors on SAR, a7R III or a9R will have a 60-70 MP full frame sensor, the announcement of this camera will be after 3-4 months from now, that means we may see Sony a7R III or a9 later this year.