Olympus E-M5 vs Pentax K-3

Pentax K-3 advantages over Olympus E-M5

• 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.
• 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-3 test data on DxO Mark E-M5 test data on DxO Mark
  1,216 vs 826 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

  560 vs 360 shots
  Capture more photos
• More telephoto lens reach
  203 mm vs 100 mm
  Capture objects farther away with the kit lens
• Internal flash
  Internal flash vs None
  Useful in a pinch for fill flash
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• Higher-res screen
  346k vs 205k pixels
  More detail on the screen lets you judge focus and composition
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• Less shutter lag
  0.14 vs 0.28 sec
  Focus and take a photo quickly (wide angle)
• More viewfinder magnification
  0.63x vs 0.58x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  24.4 vs 16.1 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Optional anti-aliasing filter
  Optional vs Fixed
  Lets you choose sharper photos or reduced moiré
• Bigger JPEG buffer
  75 vs 17 shots
  Take more JPEG shots before waiting (burst mode)
• Bigger RAW buffer
  24 vs 16 shots
  Larger buffer for RAW shots (burst mode)
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  51200 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility