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

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Differences

Canon 5D Mark II advantages over Olympus PEN-F

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.41 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.40 vs 1.8 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    1,815 vs 894 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 850 vs 330 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
  • More viewfinder magnification
    0.71x vs 0.62x
    Get a bigger view of the scene through the eye-level viewfinder
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    75 vs 43 shots
    Take more JPEG shots before waiting (burst mode)

Olympus PEN-F advantages over Canon 5D Mark II

  • Less expensive
    $999* vs $2699
    Save money for lenses or accessories
  • 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
  • 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
  • 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
  • Thinner
    37 mm vs 75 mm
    Thinner
  • Newer
    3 years vs 10 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • 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
    10.4 fps vs 3.9 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    10.5 fps vs 3.9 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    39 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 HDMI output 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

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

User reviews

Buy From

Your purchases support this site

Buy the Canon 5D Mark II

Your purchases support this site

Buy the Olympus PEN-F

Review Excerpt

  • Highest resolution Olympus 4/3" camera yet; Excellent image quality for its class; Very good dynamic range; Fast autofocus; Fast burst speeds; Lots of fun creative filter options; Built-in EVF, Wi-Fi.

  • Expensive; No weather sealing; Mediocre battery life; No 4K video; No mic or headphone jacks.

The Competition

Compared to Sony A900

Canon 5D Mark II
Sony A900
  • $2699
  • 35mm
  • Lens selection
  • Higher effective ISO
  • $3000
  • 35mm
  • In-Camera Image Stabilization
  • More pixels
Olympus PEN-F
Sony A900
  • $999
  • 4/3
  • Lens selection
  • Focus peaking
  • $3000
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Nikon D3X

Canon 5D Mark II
Nikon D3X
  • $2699
  • 35mm
  • Less expensive
  • Shoots 1080p video
  • $6999
  • 35mm
  • Fast startup
  • More dynamic range
Olympus PEN-F
Nikon D3X
  • $999
  • 4/3
  • Focus peaking
  • Less expensive
  • $6999
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Sony A850

Canon 5D Mark II
Sony A850
  • $2699
  • 35mm
  • Lens selection
  • Higher effective ISO
  • $2219
  • 35mm
  • In-Camera Image Stabilization
  • More pixels
Olympus PEN-F
Sony A850
  • $999
  • 4/3
  • Lens selection
  • Focus peaking
  • $2219
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M5 II

Canon 5D Mark II
Olympus E-M5 II
  • $2699
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $899
  • 4/3
  • Focus peaking
  • Less expensive
Olympus PEN-F
Olympus E-M5 II
  • $999
  • 4/3
  • In-camera panoramas
  • More pixels
  • $899
  • 4/3
  • Fast startup
  • External Mic Jack

Compared to Panasonic GX85

Canon 5D Mark II
Panasonic GX85
  • $2699
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $598
  • 4/3
  • Less expensive
  • Focus peaking
Olympus PEN-F
Panasonic GX85
  • $999
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • Shoot 4K video
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