• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 12,800
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Canon EOS M advantages over Olympus E-M10 IV

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.30 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    32 mm vs 49 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M10 IV advantages over Canon EOS M

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • 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
  • 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
  • Newer
    2 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
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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

Review Excerpt

  • Excellent image quality similar to Rebel T4i, T5i and SL1 DSLRs, with 18-megapixel APS-C-type sensor delivering considerable resolution for a mirrorless camera; Solid build and sleek design; Bright, high-resolution 3-inch LCD touchscreen monitor; Full 1080p HD video recording that's virtually silent with an STM lens.

  • Barely acceptable autofocus speed still lags far behind most mirrorless cameras despite firmware update fix; Limited physical controls and buttons, including no Program, Priority, or Manual on Mode dial; Lacks built-in flash or electronic viewfinder option; Only two compact EF-M mount lenses currently available.

The Competition

Compared to Sony NEX-5N

Canon EOS M
Sony NEX-5N
  • $600
  • APS-C
  • Less expensive
  • Touchscreen
  • $700
  • APS-C
  • Lens selection
  • Larger sensor
Olympus E-M10 IV
Sony NEX-5N
  • $666
  • 4/3
  • Lens selection
  • Focus peaking
  • $700
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Samsung NX200

Canon EOS M
Samsung NX200
  • $600
  • APS-C
  • Touchscreen
  • Fast startup
  • $400
  • APS-C
  • Larger sensor
  • More dynamic range
Olympus E-M10 IV
Samsung NX200
  • $666
  • 4/3
  • Lens selection
  • Focus peaking
  • $400
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Sony NEX-5R

Canon EOS M
Sony NEX-5R
  • $600
  • APS-C
  • Less expensive
  • External Mic Jack
  • $499
  • APS-C
  • Lens selection
  • Focus peaking
Olympus E-M10 IV
Sony NEX-5R
  • $666
  • 4/3
  • Lens selection
  • Eye-level viewfinder
  • $499
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M5 III

Canon EOS M
Olympus E-M5 III
  • $600
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $966
  • 4/3
  • Lens selection
  • Focus peaking
Olympus E-M10 IV
Olympus E-M5 III
  • $666
  • 4/3
  • Less expensive
  • Longer video battery life
  • $966
  • 4/3
  • Tilt-swivel screen
  • High resolution composite

Compared to Panasonic G100

Canon EOS M
Panasonic G100
  • $600
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $623
  • 4/3
  • Tilt-swivel screen
  • Lens selection
Olympus E-M10 IV
Panasonic G100
  • $666
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $623
  • 4/3
  • Less expensive
  • Tilt-swivel screen
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