• 35mm 864.0mm2
  • 21.1 megapixels
  • ISO 100 - 6400
  • 4/3 226.2mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Canon 5D Mark II advantages over Olympus E-M10 III

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.41 vs 3.78 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.40 vs 1.0 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 850 vs 330 shots
    Capture more photos
  • More telephoto lens reach
    105 mm vs 84 mm
    Capture objects farther away with the kit lens
  • 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
  • More viewfinder magnification
    0.71x vs 0.62x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    21.1 vs 16.1 megapixels
    Higher resolution photos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Wider angle kit lens
    24 mm vs 28 mm
    Capture more of the scene with the included lens

Olympus E-M10 III advantages over Canon 5D Mark II

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Less expensive
    $699 vs $3238
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (UHD) vs 1080p
    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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    49 mm vs 75 mm
    Thinner
  • Newer
    9 months vs 10 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Lighter weight
    503g vs 1588g
    Lighter weight
  • Less shutter lag
    0.14 vs 0.21 sec
    Focus and take a photo quickly (wide angle)
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    8.6 fps vs 3.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 75 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    8.6 fps vs 3.9 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    33 vs 11 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 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
  • HDMI out
    Both provide
    Use an external screen to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

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
  • 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
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Your purchases support this site

Buy the Canon 5D Mark II

Your purchases support this site

Buy the Olympus E-M10 III

Review Excerpt

The Competition

Compared to Sony A900

Canon 5D Mark II
Sony A900
  • $2850
  • 35mm
  • Lens selection
  • Higher effective ISO
  • $3000
  • 35mm
  • In-Camera Image Stabilization
  • More pixels
Olympus E-M10 III
Sony A900
  • $549
  • 4/3
  • Lens selection
  • Focus peaking
  • $3000
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Nikon D3X

Canon 5D Mark II
Nikon D3X
  • $2850
  • 35mm
  • Less expensive
  • Shoots 1080p video
  • $6999
  • 35mm
  • Fast startup
  • More dynamic range
Olympus E-M10 III
Nikon D3X
  • $549
  • 4/3
  • Less expensive
  • Focus peaking
  • $6999
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Sony A850

Canon 5D Mark II
Sony A850
  • $2850
  • 35mm
  • Lens selection
  • Higher effective ISO
  • $2219
  • 35mm
  • In-Camera Image Stabilization
  • More pixels
Olympus E-M10 III
Sony A850
  • $549
  • 4/3
  • Lens selection
  • Focus peaking
  • $2219
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M10 II

Canon 5D Mark II
Olympus E-M10 II
  • $2850
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $449
  • 4/3
  • Less expensive
  • Focus peaking
Olympus E-M10 III
Olympus E-M10 II
  • $549
  • 4/3
  • Shoot 4K video
  • Newer
  • $449
  • 4/3
  • Less expensive

Compared to Panasonic GX85

Canon 5D Mark II
Panasonic GX85
  • $2850
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $598
  • 4/3
  • Less expensive
  • Focus peaking
Olympus E-M10 III
Panasonic GX85
  • $549
  • 4/3
  • More telephoto lens reach
  • Higher max flash sync
  • $598
  • 4/3
  • Less expensive
  • In-camera panoramas
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