Panasonic GH3 vs Pentax K-S1

Pentax K-S1 advantages over Panasonic GH3

• 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 $1300 (MSRP)
  Save money for lenses or accessories
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• 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 GH3 test data on DxO Mark
  1,061 vs 812 iso
  Take photos in low light with less noise
• Higher-res screen
  307k vs 205k pixels
  More detail on the screen lets you judge focus and composition
• More pixels
  20.1 vs 16.1 megapixels
  Higher resolution photos
• Optional anti-aliasing filter
  Optional vs Fixed
  Lets you choose sharper photos or reduced moiré
• Faster shutter
  1/6000 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