Sony A7S III vs A7S II: what does the one camera have that the other doesn't?

Sony A7S III vs A7S II (Sony ILCE7SM3 vs ILCE7SM2)
(Image credit: Sony)

It’s been five years since the original Sony A7S Mark II came out, but even this camera had 4K capture and in-body stabilization, so what has the Sony A7S Mark III got to justify the five-year wait, and is it worth an asking price around $2,000/£2,000 higher than the old model?

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Rod Lawton

Rod is an independent photography journalist and editor, and a long-standing Digital Camera World contributor, having previously worked as DCW's Group Reviews editor. Before that he has been technique editor on N-Photo, Head of Testing for the photography division and Camera Channel editor on TechRadar, as well as contributing to many other publications. He has been writing about photography technique, photo editing and digital cameras since they first appeared, and before that began his career writing about film photography. He has used and reviewed practically every interchangeable lens camera launched in the past 20 years, from entry-level DSLRs to medium format cameras, together with lenses, tripods, gimbals, light meters, camera bags and more. Rod has his own camera gear blog at but also writes about photo-editing applications and techniques at