Olympus E-420 vs Sony DSLR-A550

Sony DSLR-A550 advantages over Olympus E-420

• Larger sensor
  APS-C vs 4/3
  More sensor area. Bigger is (generally) better.
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Tiltable Screen
  Tiltable vs Fixed
  Tilt the screen for shooting flexbility
• Fast startup
  ~0.50 vs 0.8 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.

  DSLR-A550 test data on DxO Mark E-420 test data on DxO Mark
  807 vs 527 iso
  Take photos in low light with less noise
• More dynamic range

  More dynamic range

  Cameras with more dynamic range allow you to take photos with dramatic differences in highlight and shadow areas while retaining detail in both.

  Think of a brilliant sunset on a rocky beach: Bright sunset in the background, with dark rocks in the foreground. High dynamic range means more of the extremes will be faithfully reproduced.

  Dynamic range test data courtesy of DxO Mark.

  DSLR-A550 test data on DxO Mark E-420 test data on DxO Mark
  11.8 vs 10.4 evs
  Retain detail in highlight and shadows
• 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

  950 vs 500 shots
  Capture more photos
• HDMI out
  HDMI out vs None
  Use HDMI output to monitor or review video
• More dots on screen
  922k vs 230k dots
  Can mean greater resolution or a brighter screen
• More viewfinder magnification
  0.53x vs 0.46x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  14.2 vs 10.0 megapixels
  Higher resolution photos
• More AF points
  9 vs 3
  More AF points improve autofocus
• Faster JPEG shooting
  6.7 fps vs 3.5 fps
  Faster JPEG shooting (burst mode)
• Higher extended ISO
  12800 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility