• 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 204,800
  • Medium format 1,441.0mm2
  • 51.4 megapixels
  • ISO 100 - 12,800

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Differences

Pentax K-1 advantages over Fujifilm GFX 50S

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • Longer stills battery life
    More info 760 vs 400 shots
    Capture more photos
  • Higher max flash sync
    1/200 vs 1/125 sec
    Reduce the effect of ambient light in flash shots
  • Less shutter lag
    0.09 vs 0.48 sec
    Focus and take a photo quickly (wide angle)
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    4.6 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    74 vs 40 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    4.6 fps vs 3.0 fps
    Faster RAW shooting in burst mode
  • Higher extended ISO
    204800 vs 102400 ISO
    Higher extended ISO can give more low-light flexibility

Fujifilm GFX 50S advantages over Pentax K-1

  • Larger sensor
    Medium format vs 35mm
    More sensor area. Bigger is (generally) better.
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • More dots on screen
    2360k vs 1037k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.85x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    51.4 vs 36.4 megapixels
    Higher resolution photos
  • Longer exposure
    3600 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • 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
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • 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

  • 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 Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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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

  • Fantastic image quality across the board; Excellent RAW dynamic range; Superb high ISO performance; Functional and user-friendly body; Robust weather-sealed construction; Detachable EVF; Tilting touchscreen; Very good lens quality.

  • Slow AF speeds; Performance can't compete with high-end full-frame cameras; Limited native lens selection so far; Expensive accessories; Unimpressive JPEG dynamic range; 1/125s maximum flash sync.

  • Read our Fujifilm GFX 50S 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 GFX 50S
Canon 5DS
  • $5697
  • Medium format
  • Focus peaking
  • Larger sensor
  • $1549
  • 35mm
  • Less expensive
  • Fast startup

Compare Fujifilm GFX 50S vs Canon 5DS

Compared to Hasselblad X1D

Pentax K-1
Hasselblad X1D
  • $1800
  • 35mm
  • In-Camera Image Stabilization
  • Tiltable Screen
  • $4999
  • Medium format
  • Larger sensor
  • Touchscreen

Compare Pentax K-1 vs Hasselblad X1D

Fujifilm GFX 50S
Hasselblad X1D
  • $5697
  • Medium format
  • Tiltable Screen
  • Top deck display
  • $4999
  • Medium format
  • Higher max flash sync

Compare Fujifilm GFX 50S vs Hasselblad X1D

Compared to Canon 5D Mark IV

Pentax K-1
Canon 5D Mark IV
  • $1800
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $2099
  • 35mm
  • Shoot 4K video
  • Touchscreen

Compare Pentax K-1 vs Canon 5D Mark IV

Fujifilm GFX 50S
Canon 5D Mark IV
  • $5697
  • Medium format
  • Focus peaking
  • Larger sensor
  • $2099
  • 35mm
  • Less expensive
  • Shoot 4K video

Compare Fujifilm GFX 50S vs Canon 5D Mark IV

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 GFX 50S
Pentax K-1 II
  • $5697
  • Medium format
  • Larger sensor
  • Touchscreen
  • $1747
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization

Compare Fujifilm GFX 50S vs Pentax K-1 II

Compared to Fujifilm GFX 50R

Pentax K-1
Fujifilm GFX 50R
  • $1800
  • 35mm
  • In-Camera Image Stabilization
  • High resolution composite
  • $4599
  • Medium format
  • Larger sensor
  • Touchscreen

Compare Pentax K-1 vs Fujifilm GFX 50R

Fujifilm GFX 50S
Fujifilm GFX 50R
  • $5697
  • Medium format
  • Top deck display
  • More viewfinder magnification
  • $4599
  • Medium format
  • Less expensive
  • Built-in Bluetooth

Compare Fujifilm GFX 50S vs Fujifilm GFX 50R

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