Sony A7S, A7R, Nikon D4s High ISO Comparison Gallery

We pitted the A7S against its cousin, as well as the current low-light champ, the D4s

Sony A7R at ISO 1600

Tech Specs: ISO 1600, 1.6 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 3200

Tech Specs: ISO 3200, 1/1.2 sec, at f/5.6.
Focal Length: 24mm

Sony A7R at ISO 3200

Tech Specs: ISO 3200, 1/1.2 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 6400

Tech Specs: ISO 6400, 1/2.5 sec, at f/5.6.
Focal Length: 24mm

Sony A7R at ISO 6400

Tech Specs: ISO 6400, 1/2.5 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 12800

Tech Specs: ISO 12800, 1/5 sec, at f/5.6.
Focal Length: 24mm

Sony A7R at ISO 12800

Tech Specs: ISO 12800, 1/5 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 25600

Tech Specs: ISO 25600, 1/10 sec, at f/5.6.
Focal Length: 24mm

Sony A7R at ISO 25600

Tech Specs: ISO 25600, 1/10 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 51200

Tech Specs: ISO 51200, 1/20 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 102400

Tech Specs: ISO 102400, 1/40 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 204800

Tech Specs: ISO 204800, 1/80 sec, at f/5.6.
Focal Length: 24mm

Sony A7S at ISO 409600

Tech Specs: ISO 409600, 1/160 sec, at f/5.6.
Focal Length: 24mm