Sony A55 vs Nikon P7800

Sony A55 advantages over Nikon P7800

• Larger sensor
  APS-C vs 1/1.7 inch
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 4.82 vs 1.90 microns
  Better low-light and dynamic range (all else equal)
• Fast startup
  ~0.90 vs 1.8 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.

  A55 test data on DxO Mark P7800 test data on DxO Mark
  818 vs 200 iso
  Take photos in low light with less noise
• Built-in GPS
  GPS vs None
  Geotag your photos
• Less shutter lag
  0.22 vs 0.42 sec
  Focus and take a photo quickly (wide angle)
• More pixels
  16.2 vs 12.2 megapixels
  Higher resolution photos
• Bulb shutter
  Bulb vs No bulb
  Hold the shutter open manually for long exposures
• Bigger JPEG buffer
  32 vs 6 shots
  Take more JPEG shots before waiting (burst mode)
• Higher extended ISO
  25600 vs 6400 ISO
  Higher extended ISO can give more low-light flexibility