• 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 160 - 12,800
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200

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Differences

Panasonic GX1 advantages over Pentax K-S2

  • Thinner
    39 mm vs 64 mm
    Thinner
  • Lighter weight
    420g vs 859g
    Lighter weight
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 28 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-S2 advantages over Panasonic GX1

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Fast startup
    ~1.00 vs 1.4 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer stills battery life
    More info 410 vs 310 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    7 years vs 11 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 460k dots
    Can mean greater resolution or a brighter screen
  • Less shutter lag
    0.12 vs 0.26 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    20.1 vs 16.0 megapixels
    Higher resolution photos
  • Optional anti-aliasing filter
    Optional vs Fixed
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    5.2 fps vs 4.1 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 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Buy the Pentax K-S2

Review Excerpt

  • Appealing design; Good grip; Very good image quality; Fast autofocus; Built-in Level Gauge.

  • Small rear buttons; Below-average battery life; Weak flash; Orange and yellow can have greenish cast in JPEGs; Shutter-induced motion blur with 14-42mm X Vario kit lens.

  • 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

The Competition

Compared to Olympus E-P3

Panasonic GX1
Olympus E-P3
  • $950
  • 4/3
  • Focus peaking
  • Higher effective ISO
  • $561
  • 4/3
  • In-Camera Image Stabilization
  • Fast startup
Pentax K-S2
Olympus E-P3
  • $499
  • APS-C
  • Focus peaking
  • Larger sensor
  • $561
  • 4/3
  • Thinner
  • Lighter weight

Compared to Olympus E-PL3

Panasonic GX1
Olympus E-PL3
  • $950
  • 4/3
  • Focus peaking
  • Fast startup
  • $700
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
Pentax K-S2
Olympus E-PL3
  • $499
  • APS-C
  • Focus peaking
  • Larger sensor
  • $700
  • 4/3
  • Thinner
  • Lighter weight

Compared to Panasonic GF6

Panasonic GX1
Panasonic GF6
  • $950
  • 4/3
  • Focus peaking
  • Higher effective ISO
  • $400
  • 4/3
  • Touchscreen
  • In-camera panoramas
Pentax K-S2
Panasonic GF6
  • $499
  • APS-C
  • Focus peaking
  • Larger sensor
  • $400
  • 4/3
  • Less expensive
  • Touchscreen

Compared to Pentax K-500

Panasonic GX1
Pentax K-500
  • $950
  • 4/3
  • Thinner
  • HDMI out
  • $597
  • APS-C
  • Larger sensor
  • Less expensive
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

Compared to Pentax K-S1

Panasonic GX1
Pentax K-S1
  • $950
  • 4/3
  • Thinner
  • Lighter weight
  • $502
  • APS-C
  • Less expensive
  • Larger sensor
Pentax K-S2
Pentax K-S1
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
  • $502
  • APS-C
  • Higher-res screen
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