Sony A57 vs Sony A7S II

Sony A7S II advantages over Sony A57

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 8.40 vs 4.82 microns
  Better low-light and dynamic range (all else equal)
• Shoot 4K video
  4K (UHD) vs 1080p
  Make sure you have a fast computer
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• NFC
  Yes vs No
  Simplifies pairing your camera with supported phones
• Higher effective ISO

  Higher effective ISO

  Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.

  Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.

  You can learn more at our glossary entry.

  Maximum effective ISO test data courtesy of DxO Mark.

  A7S II test data on DxO Mark A57 test data on DxO Mark
  2,993 vs 785 iso
  Take photos in low light with less noise
• Thinner
  60 mm vs 80 mm
  Thinner
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Higher max flash sync
  1/250 vs 1/160 sec
  Reduce the effect of ambient light in flash shots
• More viewfinder magnification
  0.78x vs 0.69x
  Get a bigger view of the scene through the eye-level viewfinder
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Bigger JPEG buffer
  63 vs 25 shots
  Take more JPEG shots before waiting (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  409600 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility