Olympus E-420 vs Pentax K-3 III

Pentax K-3 III advantages over Olympus E-420

• Lens selection
  Excellent vs Good
  Better lens selection gives you more options
• 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.
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Shoot 4K video
  4K (UHD) vs No
  Make sure you have a fast computer
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• High resolution composite
  Yes vs No
  Combine multiple shots to form a super hi-res version
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• Built-in Bluetooth
  Yes vs No
  Always-on wireless connectivity
• 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

  800 vs 500 shots
  Capture more photos
• 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
• More cross-type AF points
  25 vs 1
  Cross-type AF points improve autofocus performance
• Pentaprism viewfinder
  Pentaprism vs Pentamirror
  Much better viewfinder picture fidelity
• Newer
  4 years vs 16 years old
  Newer cameras often support more advanced features
• HDMI out
  HDMI out vs None
  Use HDMI output to monitor or review video
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  1620k 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 viewfinder magnification
  1.05x vs 0.46x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  25.7 vs 10.0 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  101 vs 3
  More AF points improve autofocus
• 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
• Faster JPEG shooting
  12.0 fps vs 3.5 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  30 vs 13 shots
  Take more JPEG shots before waiting (burst mode)
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  1600000 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility