• 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Olympus E-M1 Mark III advantages over OM System OM-1

OM System OM-1 advantages over Olympus E-M1 Mark III

  • Newer
    3 years vs 5 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    540k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • Higher extended ISO
    102400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Review Excerpt

The Competition

Compared to Olympus E-M1 II

Olympus E-M1 Mark III
Olympus E-M1 II
  • $1699
  • 4/3
  • Newer
  • $899
  • 4/3
  • Less expensive
OM System OM-1
Olympus E-M1 II
  • $2200
  • 4/3
  • Newer
  • Higher-res screen
  • $899
  • 4/3

Compared to Panasonic GH5

Olympus E-M1 Mark III
Panasonic GH5
  • $1699
  • 4/3
  • High resolution composite
  • Longer video battery life
  • $1348
  • 4/3
  • Less expensive
  • Built-in Bluetooth
OM System OM-1
Panasonic GH5
  • $2200
  • 4/3
  • High resolution composite
  • Longer video battery life
  • $1348
  • 4/3
  • Built-in Bluetooth
  • Bigger JPEG buffer

Compared to Panasonic G9

Olympus E-M1 Mark III
Panasonic G9
  • $1699
  • 4/3
  • Longer video battery life
  • On-sensor phase detect
  • $1065
  • 4/3
  • Less expensive
  • Built-in Bluetooth
OM System OM-1
Panasonic G9
  • $2200
  • 4/3
  • Longer video battery life
  • On-sensor phase detect
  • $1065
  • 4/3
  • Built-in Bluetooth
  • Top deck display

Compared to Panasonic G95

Olympus E-M1 Mark III
Panasonic G95
  • $1699
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • Less expensive
  • In-camera panoramas
OM System OM-1
Panasonic G95
  • $2200
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth

Compared to Olympus E-M5 III

Olympus E-M1 Mark III
Olympus E-M5 III
  • $1699
  • 4/3
  • Longer video battery life
  • Dual card slots
  • $924
  • 4/3
  • Less expensive
  • Built-in Bluetooth
OM System OM-1
Olympus E-M5 III
  • $2200
  • 4/3
  • Longer video battery life
  • Newer
  • $924
  • 4/3
  • Built-in Bluetooth
  • Thinner
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