• APS-C 369.0mm2
  • 14.8 megapixels
  • 75.00mm (35mm eq.)
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Sigma DP3 Merrill advantages over Sony A7 III

  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Sony A7 III advantages over Sigma DP3 Merrill

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • 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
  • Bigger pixels
    ~ 5.93 vs 5.00 microns
    Better low-light and dynamic range (all else equal)
  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • 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 710 vs 97 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    8 months vs 6 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
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    24.2 vs 14.8 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 JPEG shooting
    9.9 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    163 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    9.7 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    33 vs 7 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter

User reviews

Buy From

Review Excerpt

  • New 24MP sensor offers excellent image quality; Outstanding high ISO performance and dynamic range; Improved JPEG colors; Improved build quality; Fast autofocus; Excellent 4K video; Very good battery life.

  • Buffer clearing can be slow even with fast UHS-II cards; UHS-II support only on one card slot; No losslessly compressed RAW option; Dedicated battery charger not included; Menus are still confusing; No built-in flash.

The Competition

Compared to Sony A7 II

Sigma DP3 Merrill
Sony A7 II
  • $899
  • APS-C
  • Doesn't require an AA filter
  • $898
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7 III
Sony A7 II
  • $1998
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $898
  • 35mm
  • Less expensive
  • In-camera panoramas

Compared to Sony A9

Sigma DP3 Merrill
Sony A9
  • $899
  • APS-C
  • Lighter weight
  • Doesn't require an AA filter
  • $3498
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7 III
Sony A9
  • $1998
  • 35mm
  • Less expensive
  • More dynamic range
  • $3498
  • 35mm
  • Fast startup
  • Faster JPEG shooting

Compared to Sony A7R III

Sigma DP3 Merrill
Sony A7R III
  • $899
  • APS-C
  • Lighter weight
  • Doesn't require an AA filter
  • $2798
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7 III
Sony A7R III
  • $1998
  • 35mm
  • Less expensive
  • Bigger pixels
  • $2798
  • 35mm
  • High resolution composite
  • More pixels

Compared to Nikon Z6

Sigma DP3 Merrill
Nikon Z6
  • $899
  • APS-C
  • Doesn't require an AA filter
  • $1997
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7 III
Nikon Z6
  • $1998
  • 35mm
  • Less expensive
  • NFC
  • $1997
  • 35mm
  • Top deck display
  • More dots on screen

Compared to Canon EOS R

Sigma DP3 Merrill
Canon EOS R
  • $899
  • APS-C
  • Lighter weight
  • Doesn't require an AA filter
  • $2299
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7 III
Canon EOS R
  • $1998
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization
  • $2299
  • 35mm
  • Tilt-swivel screen
  • More telephoto lens reach
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