• APS-C 337.5mm2
  • 20.2 megapixels
  • ISO 100 - 16,000
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Canon 7D Mark II advantages over Olympus E-M1 Mark III

  • Less expensive
    $1799 vs $2499
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.11 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Olympus E-M1 Mark III advantages over Canon 7D Mark II

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (DCI) vs 1080p
    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
  • Newer
    5 years vs 10 years old
    Newer cameras often support more advanced features
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/32000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • 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

  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Buy the Canon 7D Mark II

Your purchases support this site

Buy the Olympus E-M1 Mark III

Review Excerpt

  • Excellent image quality; High ISO performance improved over predecessor; Excellent burst speeds (up to 10fps); Significantly improved buffer depths; 65-pt AF system; Dual Pixel CMOS AF; Can focus down to f/8 (great for teleconverters); 1080/60p video; Headphone and mic jacks; Rugged build quality.

  • Autofocus speed (AF shutter lag) slower than 7D and 70D; Mediocre battery life for a pro DSLR; Dynamic range at low to moderate ISOs not as good as competitors; Phase-detect AF did not perform as well as expected in our low-light AF tests; No built-in Wi-Fi; No autofocus for 1080/60p video.

The Competition

Compared to Canon 7D

Canon 7D Mark II
Canon 7D
  • $1597
  • APS-C
  • Higher effective ISO
  • Built-in GPS
  • $1499
  • APS-C
  • Less expensive
  • Less shutter lag
Olympus E-M1 Mark III
Canon 7D
  • $1649
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $1499
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Canon 6D

Canon 7D Mark II
Canon 6D
  • $1597
  • APS-C
  • On-sensor phase detect
  • More telephoto lens reach
  • $1499
  • 35mm
  • Less expensive
  • Larger sensor
Olympus E-M1 Mark III
Canon 6D
  • $1649
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $1499
  • 35mm
  • Less expensive
  • Larger sensor

Compared to Canon 70D

Canon 7D Mark II
Canon 70D
  • $1597
  • APS-C
  • Fast startup
  • Higher effective ISO
  • $1149
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Olympus E-M1 Mark III
Canon 70D
  • $1649
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $1149
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Sony A77 II

Canon 7D Mark II
Sony A77 II
  • $1597
  • APS-C
  • Lens selection
  • Fast startup
  • $1198
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
Olympus E-M1 Mark III
Sony A77 II
  • $1649
  • 4/3
  • Lens selection
  • Shoot 4K video
  • $1198
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Nikon D7200

Canon 7D Mark II
Nikon D7200
  • $1597
  • APS-C
  • Built-in GPS
  • On-sensor phase detect
  • $1016
  • APS-C
  • Less expensive
  • Built-in Wi-Fi
Olympus E-M1 Mark III
Nikon D7200
  • $1649
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $1016
  • APS-C
  • Less expensive
  • Larger sensor
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