• 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 204,800
  • APS-C 366.6mm2
  • 26.1 megapixels
  • ISO 160 - 12,800

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Differences

Pentax K-1 advantages over Fujifilm X-S10

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.88 vs 3.77 microns
    Better low-light and dynamic range (all else equal)
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More pixels
    36.4 vs 26.1 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Higher extended ISO
    204800 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

Fujifilm X-S10 advantages over Pentax K-1

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    65 mm vs 85 mm
    Thinner
  • Newer
    4 years vs 9 years old
    Newer cameras often support more advanced features
  • Lighter weight
    465g vs 1015g
    Lighter weight
  • Longer exposure
    900 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    8.0 fps vs 4.6 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/8000 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
  • 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
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones

User reviews

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Buy the Pentax K-1

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Buy the Fujifilm X-S10
Body Only
  • Body Only
  • Kit with XF16-80mm Lens
  • Kit with XF18-55mm Lens
All X-S10 Deals

Review Excerpt

  • Unlocks the full potential of full-frame Pentax lenses; Excellent image quality; Great ergonomics and build; Very compact for full-frame; Decent performance; Fast autofocus with great low-light capabilities; Very wide sensitivity range; Bright, accurate viewfinder; Articulated LCD; Stabilization, Wi-Fi and GPS in-camera

  • No built-in flash strobe; Quite heavy compared to APS-C flagships; Somewhat soft images and blown highlights by default in JPEG mode; Warm Auto white balance indoors; Slow startup and buffer clearing; Small top-deck status display; Weak viewfinder illumination; Below-average battery life for DSLR

  • Read our Pentax K-1 Review

The Competition

Compared to Canon 5DS

Pentax K-1
Canon 5DS
  • $1800
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $1549
  • 35mm
  • Fast startup
  • More cross-type AF points

Compare Pentax K-1 vs Canon 5DS

Fujifilm X-S10
Canon 5DS
  • $1199
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $1549
  • 35mm
  • Lens selection
  • Larger sensor

Compare Fujifilm X-S10 vs Canon 5DS

Compared to Canon 5DS R

Pentax K-1
Canon 5DS R
  • $1800
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $1499
  • 35mm
  • Fast startup
  • More cross-type AF points

Compare Pentax K-1 vs Canon 5DS R

Fujifilm X-S10
Canon 5DS R
  • $1199
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $1499
  • 35mm
  • Lens selection
  • Larger sensor

Compare Fujifilm X-S10 vs Canon 5DS R

Compared to Pentax K-1 II

Pentax K-1
Pentax K-1 II
  • $1800
  • 35mm
  • $1747
  • 35mm
  • Higher extended ISO

Compare Pentax K-1 vs Pentax K-1 II

Fujifilm X-S10
Pentax K-1 II
  • $1199
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1747
  • 35mm
  • Lens selection
  • Larger sensor

Compare Fujifilm X-S10 vs Pentax K-1 II

Compared to Nikon Z50

Pentax K-1
Nikon Z50
  • $1800
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $807
  • APS-C
  • Shoot 4K video
  • Touchscreen

Compare Pentax K-1 vs Nikon Z50

Fujifilm X-S10
Nikon Z50
  • $1199
  • APS-C
  • Tilt-swivel screen
  • Slower slow-motion
  • $807
  • APS-C
  • Less expensive
  • Wider angle kit lens

Compare Fujifilm X-S10 vs Nikon Z50

Compared to Fujifilm X-Pro3

Pentax K-1
Fujifilm X-Pro3
  • $1800
  • 35mm
  • Lens selection
  • Larger sensor
  • $1799
  • APS-C
  • Shoot 4K video
  • Touchscreen

Compare Pentax K-1 vs Fujifilm X-Pro3

Fujifilm X-S10
Fujifilm X-Pro3
  • $1199
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1799
  • APS-C
  • Top deck display
  • Thinner

Compare Fujifilm X-S10 vs Fujifilm X-Pro3

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