Sony Announces the a7R III: Solid Improvements Built Around the Previous Generation's 42.4-Megapixel Sensor
Sony A7R III Review
Sony a7R3 (a7R III) Review
Sony A7 IV Review
Sony Alpha A7R IV review - Amateur Photographer
Sony A7R V review: Awesome images, improved video, unbeatable autofocus
Sony A7 III Review: Flagship-grade AF in a camera you can actually afford
Sony A7R III Review
Sony A7 III and A7R III review: mirrorless magic - The Verge
Sony a9 III Review: A Costly Revolution in Camera Technology
Sony A7R III Review: Sony Gives Its High-Resolution Mirrorless Camera a Burst of Speed