• APS-C 369.0mm2
  • 19.6 megapixels
  • 21.00mm (35mm eq.)
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000

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Differences

Sigma dp0 Quattro advantages over Pentax K-3 III

  • Bigger pixels
    ~ 4.33 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • Higher max flash sync
    1/1600 vs 1/200 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    500g vs 820g
    Lighter weight

Pentax K-3 III advantages over Sigma dp0 Quattro

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • 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
  • Shoot 4K video
    4K (UHD) vs No
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer stills battery life
    More info 800 vs 200 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Thinner
    73 mm vs 126 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    4 years vs 9 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Higher-res screen
    540k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    25.7 vs 19.6 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    1600000 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

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
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Pentax K-3 III

Review Excerpt

The Competition

Compared to Leica X Vario

Sigma dp0 Quattro
Leica X Vario
  • $999
  • APS-C
  • Less expensive
  • More pixels
  • $2950
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Pentax K-3 III
Leica X Vario
  • $1730
  • APS-C
  • Eye-level viewfinder
  • Shoot 4K video
  • $2950
  • APS-C
  • Bigger pixels
  • Internal flash

Compared to Sigma dp1 Quattro

Sigma dp0 Quattro
Sigma dp1 Quattro
  • $999
  • APS-C
  • Wider angle lens
  • $999
  • APS-C
  • Larger lens aperture
  • More telephoto lens reach
Pentax K-3 III
Sigma dp1 Quattro
  • $1730
  • APS-C
  • Focus peaking
  • Eye-level viewfinder
  • $999
  • APS-C
  • Bigger pixels
  • Higher max flash sync

Compared to Sigma dp3 Quattro

Sigma dp0 Quattro
Sigma dp3 Quattro
  • $999
  • APS-C
  • Wider angle lens
  • $999
  • APS-C
  • Larger lens aperture
  • More telephoto lens reach
Pentax K-3 III
Sigma dp3 Quattro
  • $1730
  • APS-C
  • Focus peaking
  • Eye-level viewfinder
  • $999
  • APS-C
  • Bigger pixels
  • Higher max flash sync

Compared to Pentax KP

Sigma dp0 Quattro
Pentax KP
  • $999
  • APS-C
  • Higher max flash sync
  • Lighter weight
  • $999
  • APS-C
  • Focus peaking
  • Eye-level viewfinder
Pentax K-3 III
Pentax KP
  • $1730
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • Tiltable Screen

Compared to Canon 90D

Sigma dp0 Quattro
Canon 90D
  • $999
  • APS-C
  • Bigger pixels
  • Higher max flash sync
  • $1099
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder
Pentax K-3 III
Canon 90D
  • $1730
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen
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