• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Pentax K-S2 advantages over Panasonic G9

  • Less expensive
    $499 vs $1498
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.29 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    64 mm vs 91 mm
    Thinner
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic G9 advantages over Pentax K-S2

  • Shoot 4K video
    4K (UHD) vs 1080p
    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 Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Newer
    6 years vs 9 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    347k vs 230k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.83x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    60.0 fps vs 5.2 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    50 vs 28 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    60.0 fps vs 5.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    50 vs 9 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/6000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance

User reviews

Buy From

Your purchases support this site

Buy the Pentax K-S2
Body Only (White)
  • Body Only (White)
  • Body Only (Black)
  • Body Only (Black/Orange)
  • Kit with 18-50mm WR Lens (Black)
  • Kit with 18-50mm WR Lens (Black/Orange)
  • Kit with 18-50mm WR Lens (White)
All K-S2 Deals

Your purchases support this site

Buy the Panasonic G9
Body Only
  • Body Only
  • Kit with 12-60mm f/2.8-4 lens
All G9 Deals

Review Excerpt

  • Very compact for a weather-sealed DSLR; Good ergonomics and great viewfinder; Excellent image quality; Decent performance for its class; Articulated screen is great for difficult compositions; Offers features not found in other Pentax DSLRs

  • 18-50mm kit lens is fiddly and prone to jamming when retracted; Wi-Fi is slow and unintuitive; Slow startup; Limited movie mode; Poor battery life for a DSLR; Priced too close to its enthusiast-grade sibling

  • Read our Pentax K-S2 Review

  • Great build quality; Very good image quality; Effective IBIS; Excellent performance; Fast shooting speeds; 4K/60p video.

  • No phase-detection autofocus; 10-minute limit for 4k60p video clips; No V-Log or 10-bit video.

  • Read our Panasonic G9 Review

The Competition

Compared to Pentax K-500

Pentax K-S2
Pentax K-500
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
  • $597
  • APS-C
  • Longer stills battery life
  • Higher-res screen

Compare Pentax K-S2 vs Pentax K-500

Panasonic G9
Pentax K-500
  • $1065
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $597
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Panasonic G9 vs Pentax K-500

Compared to Pentax K-S1

Pentax K-S2
Pentax K-S1
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
  • $502
  • APS-C
  • Higher-res screen

Compare Pentax K-S2 vs Pentax K-S1

Panasonic G9
Pentax K-S1
  • $1065
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $502
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Panasonic G9 vs Pentax K-S1

Compared to Nikon D5500

Pentax K-S2
Nikon D5500
  • $499
  • APS-C
  • Focus peaking
  • Less expensive
  • $597
  • APS-C
  • Touchscreen
  • Fast startup

Compare Pentax K-S2 vs Nikon D5500

Panasonic G9
Nikon D5500
  • $1065
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $597
  • APS-C
  • Less expensive
  • Larger sensor

Compare Panasonic G9 vs Nikon D5500

Compared to Panasonic GH5

Pentax K-S2
Panasonic GH5
  • $499
  • APS-C
  • Less expensive
  • Larger sensor
  • $1348
  • 4/3
  • Shoot 4K video
  • Touchscreen

Compare Pentax K-S2 vs Panasonic GH5

Panasonic G9
Panasonic GH5
  • $1065
  • 4/3
  • High resolution composite
  • Top deck display
  • $1348
  • 4/3
  • Less expensive
  • Bigger JPEG buffer

Compare Panasonic G9 vs Panasonic GH5

Compared to Panasonic G95

Pentax K-S2
Panasonic G95
  • $499
  • APS-C
  • Less expensive
  • Larger sensor
  • $831
  • 4/3
  • Shoot 4K video
  • Touchscreen

Compare Pentax K-S2 vs Panasonic G95

Panasonic G9
Panasonic G95
  • $1065
  • 4/3
  • Slower slow-motion
  • High resolution composite
  • $831
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Panasonic G9 vs Panasonic G95

Compare Other Cameras?