Sony A7S at ISO 1600
Note: The following comparisons were are shot at the same exposures, and similar focal lengths. The A7S and A7R sample images were all captured as Extra Fine JPGs in the sRGB colorspace, and pulled directly from camera; they were captured on the same night. All three cameras were set to Auto White Balance. We apologize for the slight change in camera angle between samples. Tech Specs: ISO 1600, 1.6 sec, at f/5.6.Focal Length: 24mm (CLICK FOR FULL-RES) Click here to see how the D4s did at this ISO. Or head to the next slide to see the A7R sample.
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Sony A7R at ISO 1600

Tech Specs: ISO 1600, 1.6 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 3200

Tech Specs: ISO 3200, 1/1.2 sec, at f/5.6.
Focal Length: 24mm
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Sony A7R at ISO 3200

Tech Specs: ISO 3200, 1/1.2 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 6400

Tech Specs: ISO 6400, 1/2.5 sec, at f/5.6.
Focal Length: 24mm
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Sony A7R at ISO 6400

Tech Specs: ISO 6400, 1/2.5 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 12800

Tech Specs: ISO 12800, 1/5 sec, at f/5.6.
Focal Length: 24mm
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Sony A7R at ISO 12800

Tech Specs: ISO 12800, 1/5 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 25600

Tech Specs: ISO 25600, 1/10 sec, at f/5.6.
Focal Length: 24mm
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Sony A7R at ISO 25600

Tech Specs: ISO 25600, 1/10 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 51200

Tech Specs: ISO 51200, 1/20 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 102400

Tech Specs: ISO 102400, 1/40 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 204800

Tech Specs: ISO 204800, 1/80 sec, at f/5.6.
Focal Length: 24mm
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Sony A7S at ISO 409600

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

Dan Bracaglia is the News & Features editor at Popular Photography. He has been writing about technology and photography for 12 years and has had work—both written and photographic—appear in places including American Photo magazine, Digital Photography Review, Popular Science magazine, Sound & Vision magazine, and of course, Popular Photography. Contact the author here.

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