• APS-C 369.0mm2
  • 28.2 megapixels
  • ISO 100 - 25,600
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200

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Differences

Samsung NX1 advantages over Pentax K-S2

  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Fast startup
    ~0.70 vs 1.0 sec
    Faster startup lets you catch the moment
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 500 vs 410 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher-res screen
    346k vs 230k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.69x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    28.2 vs 20.1 megapixels
    Higher resolution photos
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    15.2 fps vs 5.2 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    53 vs 28 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    15.1 fps vs 5.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    22 vs 9 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Pentax K-S2 advantages over Samsung NX1

  • Less expensive
    $800 vs $2800 (MSRP)
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 4.29 vs 3.63 microns
    Better low-light and dynamic range (all else equal)
  • Lighter weight
    859g vs 1290g
    Lighter weight
  • Less shutter lag
    0.12 vs 0.20 sec
    Focus and take a photo quickly (wide angle)
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

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Buy the Pentax K-S2

Review Excerpt

  • Very good, high-resolution image quality; Excellent high ISO performance with RAW files; Very good dynamic range; Blazing fast 15fps full-res burst mode; Deep buffer; Great build quality & comfortable ergonomics; Lots of physical controls; Great battery life; Fast single-shot AF.

  • Continuous AF performance still not as robust as competing DSLRs; Aggressive JPEG noise reduction at high ISOs; JPEG colors and saturation less pleasing at higher ISOs; H.265 video codec can be difficult to work with.

  • 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 Pentax K-500

Samsung NX1
Pentax K-500
  • $1797
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $597
  • APS-C
  • Lens selection
  • Less expensive
Pentax K-S2
Pentax K-500
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
  • $597
  • APS-C
  • Less expensive
  • Longer stills battery life

Compared to Pentax K-S1

Samsung NX1
Pentax K-S1
  • $1797
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $502
  • APS-C
  • Less expensive
  • Lens selection
Pentax K-S2
Pentax K-S1
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
  • $502
  • APS-C
  • Higher-res screen

Compared to Fujifilm X-T2

Samsung NX1
Fujifilm X-T2
  • $1797
  • APS-C
  • Touchscreen
  • Fast startup
  • $999
  • APS-C
  • Lens selection
  • Thinner
Pentax K-S2
Fujifilm X-T2
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $999
  • APS-C
  • Shoot 4K video
  • In-camera panoramas

Compared to Fujifilm X-H1

Samsung NX1
Fujifilm X-H1
  • $1797
  • APS-C
  • NFC
  • Longer stills battery life
  • $1199
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Pentax K-S2
Fujifilm X-H1
  • $499
  • APS-C
  • Tilt-swivel screen
  • Lens selection
  • $1199
  • APS-C
  • Shoot 4K video
  • Touchscreen

Compared to Fujifilm X-T3

Samsung NX1
Fujifilm X-T3
  • $1797
  • APS-C
  • Fast startup
  • NFC
  • $1299
  • APS-C
  • Lens selection
  • Newer
Pentax K-S2
Fujifilm X-T3
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $1299
  • APS-C
  • Shoot 4K video
  • Touchscreen
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