• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Olympus E-M1 advantages over Olympus E-M5 III

  • More viewfinder magnification
    0.74x vs 0.68x
    Get a bigger view of the scene through the eye-level viewfinder
  • Bigger JPEG buffer
    50 vs 26 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    50 vs 23 shots
    Larger buffer for RAW shots (burst mode)

Olympus E-M5 III advantages over Olympus E-M1

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Newer
    19 months vs 8 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More pixels
    20.4 vs 16.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Faster JPEG shooting
    30.0 fps vs 9.9 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 9.9 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/16000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • 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
  • 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
  • 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 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
  • 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 Olympus E-M5 III

Review Excerpt

  • Exceptional rugged, weather-proof, professional build; Lightning fast contrast-detect AF, and phase-detect AF that makes Four Thirds lenses far more responsive; Tons of useful physical controls with immense customizability; Arguably the best image quality of any Micro Four Thirds camera we've tested to date; Large, sharp, high-resolution electronic viewfinder; Advanced Wi-Fi capabilities, including remote control shooting in PASM exposure modes.

  • Bigger and heavier than many other compact system cameras; Most expensive Micro Four Thirds camera on the market to date; Menu system and customization options have a steep learning curve; No optical low-pass filter means greater risk of moire; No built-in flash.

  • Improved image quality; Very good dynamic range & high ISO performance for a modern MFT sensor; Very fast AF; Excellent image stabilization; 4K video recording; Weather-sealed build quality.

  • Below average battery life; Small size can be awkward with long, heavy lenses; One SD card slot.

The Competition

Compared to Olympus E-M5

Olympus E-M1
Olympus E-M5
  • $949
  • 4/3
  • Focus peaking
  • Fast startup
  • $799
  • 4/3
  • Less expensive
  • Thinner
Olympus E-M5 III
Olympus E-M5
  • $999
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $799
  • 4/3
  • Less expensive
  • Has anti-aliasing filter

Compared to Panasonic G5

Olympus E-M1
Panasonic G5
  • $949
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • 4/3
  • Internal flash
  • Shoots 60p video
Olympus E-M5 III
Panasonic G5
  • $999
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $700
  • 4/3
  • Internal flash
  • Has anti-aliasing filter

Compared to Panasonic GH3

Olympus E-M1
Panasonic GH3
  • $949
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $798
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Olympus E-M5 III
Panasonic GH3
  • $999
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $798
  • 4/3
  • Less expensive
  • Longer stills battery life

Compared to Panasonic G7

Olympus E-M1
Panasonic G7
  • $949
  • 4/3
  • In-Camera Image Stabilization
  • Fast startup
  • $598
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Olympus E-M5 III
Panasonic G7
  • $999
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Panasonic G100

Olympus E-M1
Panasonic G100
  • $949
  • 4/3
  • In-Camera Image Stabilization
  • On-sensor phase detect
  • $598
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Olympus E-M5 III
Panasonic G100
  • $999
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • In-camera panoramas
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