• APS-C 369.0mm2
  • 14.8 megapixels
  • 75.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600

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Differences

Sigma DP3 Merrill advantages over Panasonic GX7

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.00 vs 3.77 microns
    Better low-light and dynamic range (all else equal)
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Panasonic GX7 advantages over Sigma DP3 Merrill

  • 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
  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Longer stills battery life
    More info 350 vs 97 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    54 mm vs 80 mm
    Thinner
  • 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
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    10.7 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    8.0 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 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
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Sharp retro design and solid build; High resolution, tiltable electronic viewfinder and LCD touchscreen monitor; Competitive still image quality; Very good video quality, recording Full HD at frame rates up to 60p; Fast autofocusing and all-around performance; Robust Wi-Fi and NFC capabilities, including remote shooting when paired with a smart device

  • Weak built-in flash; No external mic or headphone jack for video recording; Some poor results when shooting in Creative Panorama mode

The Competition

Compared to Panasonic G3

Sigma DP3 Merrill
Panasonic G3
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $700
  • 4/3
  • Less expensive
  • Eye-level viewfinder
Panasonic GX7
Panasonic G3
  • $497
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • 4/3
  • Less expensive

Compared to Olympus E-P5

Sigma DP3 Merrill
Olympus E-P5
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $469
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Panasonic GX7
Olympus E-P5
  • $497
  • 4/3
  • Eye-level viewfinder
  • In-camera panoramas
  • $469
  • 4/3
  • Higher effective ISO
  • Thinner

Compared to Olympus E-M10

Sigma DP3 Merrill
Olympus E-M10
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $419
  • 4/3
  • Focus peaking
  • Eye-level viewfinder
Panasonic GX7
Olympus E-M10
  • $497
  • 4/3
  • In-camera panoramas
  • Fast startup
  • $419
  • 4/3
  • Higher effective ISO
  • Lacks anti-aliasing filter

Compared to Olympus E-M5 II

Sigma DP3 Merrill
Olympus E-M5 II
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $799
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
Panasonic GX7
Olympus E-M5 II
  • $497
  • 4/3
  • In-camera panoramas
  • Internal flash
  • $799
  • 4/3
  • Tilt-swivel screen
  • High resolution composite

Compared to Olympus E-M10 II

Sigma DP3 Merrill
Olympus E-M10 II
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $442
  • 4/3
  • Focus peaking
  • Eye-level viewfinder
Panasonic GX7
Olympus E-M10 II
  • $497
  • 4/3
  • In-camera panoramas
  • More viewfinder magnification
  • $442
  • 4/3
  • Higher effective ISO
  • Newer
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