• APS-H 518.9mm2
  • 16.1 megapixels
  • ISO 100 - 12,800
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 75.00mm (35mm eq.)

Buy From

Differences

Canon 1D Mark IV advantages over Sigma DP3 Merrill

  • Larger sensor
    APS-H 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
  • Longer stills battery life
    More info 1500 vs 97 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • 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
    46 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    102400 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma DP3 Merrill advantages over Canon 1D Mark IV

  • Newer
    6 years vs 9 years old
    Newer cameras often support more advanced features
  • Lighter weight
    400g vs 1390g
    Lighter weight
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

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

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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
  • 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
  • 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

The Competition

Compared to Nikon D3X

Canon 1D Mark IV
Nikon D3X
  • $5499
  • APS-H
  • More cross-type AF points
  • Shoots 1080p video
  • $6999
  • 35mm
  • Larger sensor
  • Fast startup
Sigma DP3 Merrill
Nikon D3X
  • $899
  • APS-C
  • Less expensive
  • Newer
  • $6999
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Nikon D3S

Canon 1D Mark IV
Nikon D3S
  • $5499
  • APS-H
  • External Mic Jack
  • Shoots 1080p video
  • $5200
  • 35mm
  • Larger sensor
  • Bigger pixels
Sigma DP3 Merrill
Nikon D3S
  • $899
  • APS-C
  • Newer
  • Lighter weight
  • $5200
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Canon 1DX

Canon 1D Mark IV
Canon 1DX
  • $5499
  • APS-H
  • Longer stills battery life
  • $5999
  • 35mm
  • Larger sensor
  • Bigger pixels
Sigma DP3 Merrill
Canon 1DX
  • $899
  • APS-C
  • Less expensive
  • Lighter weight
  • $5999
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Nikon D4

Canon 1D Mark IV
Nikon D4
  • $5499
  • APS-H
  • More cross-type AF points
  • Less shutter lag
  • $6248
  • 35mm
  • Larger sensor
  • Bigger pixels
Sigma DP3 Merrill
Nikon D4
  • $899
  • APS-C
  • Less expensive
  • Lighter weight
  • $6248
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Canon EOS-1D C

Canon 1D Mark IV
Canon EOS-1D C
  • $5499
  • APS-H
  • Less expensive
  • $6989
  • 35mm
  • Larger sensor
  • Bigger pixels
Sigma DP3 Merrill
Canon EOS-1D C
  • $899
  • APS-C
  • Lighter weight
  • Doesn't require an AA filter
  • $6989
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
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