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

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Differences

Canon 5DS advantages over Olympus E-M10 IV

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.14 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • 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 pixels
    50.6 vs 20.3 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M10 IV advantages over Canon 5DS

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Less expensive
    $699 vs $1299*
    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 (DCI) 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
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    49 mm vs 76 mm
    Thinner
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • Lighter weight
    383g vs 946g
    Lighter weight
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

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

  • 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 GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Review Excerpt

The Competition

Compared to Nikon D810

Canon 5DS
Nikon D810
  • $1549
  • 35mm
  • Less expensive
  • More cross-type AF points
  • $2246
  • 35mm
  • Bigger pixels
  • Higher effective ISO
Olympus E-M10 IV
Nikon D810
  • $666
  • 4/3
  • Focus peaking
  • Less expensive
  • $2246
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Canon 5DS R

Canon 5DS
Canon 5DS R
  • $1549
  • 35mm
  • Less expensive
  • Has anti-aliasing filter
  • $1849
  • 35mm
  • Lacks anti-aliasing filter
Olympus E-M10 IV
Canon 5DS R
  • $666
  • 4/3
  • Focus peaking
  • Less expensive
  • $1849
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-1

Canon 5DS
Pentax K-1
  • $1549
  • 35mm
  • Fast startup
  • More cross-type AF points
  • $1800
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
Olympus E-M10 IV
Pentax K-1
  • $666
  • 4/3
  • Shoot 4K video
  • Touchscreen
  • $1800
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M5 III

Canon 5DS
Olympus E-M5 III
  • $1549
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $924
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Olympus E-M10 IV
Olympus E-M5 III
  • $666
  • 4/3
  • Less expensive
  • Longer video battery life
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite

Compared to Panasonic G100

Canon 5DS
Panasonic G100
  • $1549
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $599
  • 4/3
  • Focus peaking
  • Less expensive
Olympus E-M10 IV
Panasonic G100
  • $666
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
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