Nikon D4 vs Sony A99

Nikon D4 advantages over Sony A99

• Lens selection
  Excellent vs Good
  Better lens selection gives you more options
• Bigger pixels
  ~ 7.31 vs 5.97 microns
  Better low-light and dynamic range (all else equal)
• Fast startup
  ~0.30 vs 0.7 sec
  Faster startup lets you catch the moment
• 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.

  D4 test data on DxO Mark A99 test data on DxO Mark
  2,965 vs 1,555 iso
  Take photos in low light with less noise
• Longer stills battery life
  More info

  Longer stills battery life

  Cameras with longer battery life can take more photos before exhausting their batteries.

  Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

  2600 vs 500 shots
  Capture more photos
• More cross-type AF points
  15 vs 3
  Cross-type AF points improve autofocus performance
• More AF points
  51 vs 19
  More AF points improve autofocus
• Faster JPEG shooting
  11.1 fps vs 5.9 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  Unlimited vs 17 shots
  Take more JPEG shots before waiting (burst mode)
• Faster RAW shooting
  11.1 fps vs 5.9 fps
  Faster RAW shooting in burst mode
• Bigger RAW buffer
  Unlimited vs 18 shots
  Larger buffer for RAW shots (burst mode)
• Higher extended ISO
  204800 vs 51200 ISO
  Higher extended ISO can give more low-light flexibility