Astro Photography Showdown: Sony A7S III vs Canon EOS R5 vs Nikon Z6 II – Which Full-Frame Mirrorless Rules the Night Sky?
The Sony A7S III, released in 2020, uses a 12.1 MP full-frame BSI CMOS sensor with 8.5 μm pixels and a native ISO range of 80–102,400 (expandable to 409,600), delivering unparalleled low-light sensitivity. The Canon EOS R5, released in 2020, features a 45 MP