Olympus E-P2 vs Pentax K-S1

Pentax K-S1 advantages over Olympus E-P2

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• Larger sensor
  APS-C vs 4/3
  More sensor area. Bigger is (generally) better.
• Less expensive
  $800 vs $1100 (MSRP)
  Save money for lenses or accessories
• 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.

  K-S1 test data on DxO Mark E-P2 test data on DxO Mark
  1,061 vs 505 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.

  K-S1 test data on DxO Mark E-P2 test data on DxO Mark
  13.0 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

  480 vs 300 shots
  Capture more photos
• Internal flash
  Internal flash vs None
  Useful in a pinch for fill flash
• Newer
  10 years vs 15 years old
  Newer cameras often support more advanced features
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  922k vs 230k dots
  Can mean greater resolution or a brighter screen
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More pixels
  20.1 vs 12.3 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Optional anti-aliasing filter
  Optional vs Fixed
  Lets you choose sharper photos or reduced moiré
• Faster JPEG shooting
  5.4 fps vs 3.1 fps
  Faster JPEG shooting (burst mode)
• Faster shutter
  1/6000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  51200 vs 6400 ISO
  Higher extended ISO can give more low-light flexibility