Olympus E-P3 vs Nikon A900

Olympus E-P3 advantages over Nikon A900

• Larger sensor
  4/3 vs 1/2.3 inch
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 4.29 vs 1.19 microns
  Better low-light and dynamic range (all else equal)
• RAW file ability
  Yes vs No
  Gives you more flexibility to develop your photos later
• 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

  330 vs 270 shots
  Capture more photos
• Manual focus
  Yes vs No
  AF is for the weak. Real photographers focus manually.
• Hot shoe
  Hot shoe vs None
  Off-camera flashes open new possibilities
• Has anti-aliasing filter
  Filter vs No Filter
  Reduces unsightly moiré in photos
• Longer exposure
  60 vs 8 sec
  Long exposures for night shots
• Bulb shutter
  Bulb vs No bulb
  Hold the shutter open manually for long exposures
• Bigger JPEG buffer
  19 vs 7 shots
  Take more JPEG shots before waiting (burst mode)
• Higher extended ISO
  12800 vs 3200 ISO
  Higher extended ISO can give more low-light flexibility