• APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • APS-C 366.6mm2
  • 26.1 megapixels
  • ISO 160 - 12,800

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Differences

Pentax K-S1 advantages over Fujifilm X-Pro3

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video

Fujifilm X-Pro3 advantages over Pentax K-S1

  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • 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
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Thinner
    46 mm vs 69 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    19 months vs 7 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1620k vs 922k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    26.1 vs 20.1 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Longer exposure
    900 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    20.0 fps vs 5.4 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    79 vs 20 shots
    Take more JPEG shots before waiting (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
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Buy the Pentax K-S1

Your purchases support this site

Buy the Fujifilm X-Pro3

Review Excerpt

The Competition

Compared to Sony A58

Pentax K-S1
Sony A58
  • $502
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $598
  • APS-C
  • In-camera panoramas
  • Tiltable Screen
Fujifilm X-Pro3
Sony A58
  • $1799
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $598
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compared to Nikon D5500

Pentax K-S1
Nikon D5500
  • $502
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $597
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Fujifilm X-Pro3
Nikon D5500
  • $1799
  • APS-C
  • Focus peaking
  • Shoot 4K video
  • $597
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Pentax K-S2

Pentax K-S1
Pentax K-S2
  • $502
  • APS-C
  • Higher-res screen
  • $499
  • APS-C
  • Tilt-swivel screen
  • Built-in Wi-Fi
Fujifilm X-Pro3
Pentax K-S2
  • $1799
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $499
  • APS-C
  • Lens selection
  • Less expensive

Compared to Leica CL

Pentax K-S1
Leica CL
  • $502
  • APS-C
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $3147
  • APS-C
  • Shoot 4K video
  • Touchscreen
Fujifilm X-Pro3
Leica CL
  • $1799
  • APS-C
  • Less expensive
  • Tiltable Screen
  • $3147
  • APS-C
  • In-camera panoramas
  • More viewfinder magnification

Compared to Sony A6400

Pentax K-S1
Sony A6400
  • $502
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Shoot 4K video
  • Touchscreen
Fujifilm X-Pro3
Sony A6400
  • $1799
  • APS-C
  • Top deck display
  • Higher max flash sync
  • $898
  • APS-C
  • Less expensive
  • In-camera panoramas
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