Olympus OM-D E-M1 Mark III Review | 108 Data compared

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  • Avg. price in UK: ~£1,580
  • Avg. price in US: ~$1,800
  • Sensor size: four thirds
  • Lens mount: Micro Four Thirds
  • Main camera pixel size: 3.34 µm
  • Weight: 580 g
  • Battery life (CIPA): 420 shots

Olympus OM-D E-M1 Mark III review. Compare 108 technical specifications and user reviews to see how it ranks among cameras and if it is worth buying.

8.1

Overall score

What it is: An overall evaluation of the camera's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best cameras on the market.

Score components:

90.0%

8.1

Technical Score

10.0%

?

User score

Excellent
8.1

Technical Score

What it is: An assessment of the camera's technical performance, covering eight key areas: image quality, autofocus, video features, stabilization, lens compatibility, connectivity, battery, and design.

When it matters: When you want to compare cameras based on technical performance and available features.

Score components:

28.0%

7.0

Sensor & Image

25.0%

9.0

Photo Features

18.0%

8.7

Video & Audio

14.0%

7.6

Display & Design

8.0%

8.4

Battery & Power

7.0%

8.8

Connectivity & Storage

Excellent
?

User score

What it is: A rating that combines user reviews and the total number of reviews received by the camera.

When it matters: When real-world owner satisfaction and review volume matter to your decision.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 8.3
    Professional photography

    Score components:

    25.0%

    8.2

    Sensor size

    20.0%

    6.6

    Main camera megapixels

    20.0%

    10

    Dual card slots

    15.0%

    6.2

    N. of focus points

    10.0%

    10

    RAW photo capture

    10.0%

    10

    Phase-detection autofocus (photos)

  • 6.1
    Travel

    Score components:

    35.0%

    5.4

    Weight

    30.0%

    6.9

    Battery life (CIPA)

    20.0%

    10

    Sensor-shift stabilization

    15.0%

    1.0

    GPS

  • 6.1
    Beginners

    Score components:

    30.0%

    2.2

    Price

    20.0%

    5.4

    Weight

    20.0%

    10

    AF tracking

    20.0%

    6.9

    Battery life (CIPA)

    10.0%

    10

    Touchscreen

  • 7.7
    Landscape photography

    Score components:

    30.0%

    6.6

    Main camera megapixels

    25.0%

    8.2

    Sensor size

    20.0%

    5.9

    Main camera pixel size

    15.0%

    10

    Sensor-shift stabilization

    10.0%

    10

    RAW photo capture

  • 6.9
    Street photography

    Score components:

    30.0%

    5.4

    Weight

    25.0%

    5.2

    Thickness

    20.0%

    7.3

    AF low-light sensitivity

    15.0%

    10

    Sensor-shift stabilization

    10.0%

    10

    Eye detection AF (human)

  • 7.9
    Portraits

    Score components:

    30.0%

    8.2

    Sensor size

    25.0%

    5.9

    Main camera pixel size

    20.0%

    10

    Eye detection AF (human)

    15.0%

    6.6

    Main camera megapixels

    10.0%

    10

    Sensor-shift stabilization

  • 6.2
    Hiking

    Score components:

    30.0%

    5.4

    Weight

    25.0%

    6.9

    Battery life (CIPA)

    20.0%

    6.4

    Min operating temperature

    15.0%

    10

    Sensor-shift stabilization

    10.0%

    1.0

    GPS

  • No image
No image

Best prices in UK

    N/A~ £1,580

Verdict

The Olympus OM-D E-M1 Mark III is a professional Micro Four Thirds mirrorless camera featuring a 20.4MP Live MOS sensor paired with a high-speed TruePic IX processor. Key characteristics include an industry-leading 5-axis in-body image stabilization (IBIS) system providing up to 7.5 stops of compensation, a 121-point all-cross-type phase-detection AF system, and ultra-fast burst shooting at up to 60 fps (18 fps with continuous AF). Main pros include its rugged IPX1-rated weather sealing, advanced computational features like Handheld High Res Shot (50MP) and Live ND, a dedicated AF joystick, and exceptional portability for wildlife and travel photography. Notable cons include a dated 2.36M-dot electronic viewfinder, a complex menu system, and only one of its dual SD slots supporting UHS-II speeds.

Technical Specifications of Olympus OM-D E-M1 Mark III

Technical Score

What it is: An assessment of the camera's technical performance, covering eight key areas: image quality, autofocus, video features, stabilization, lens compatibility, connectivity, battery, and design.

When it matters: When you want to compare cameras based on technical performance and available features.

Score components:

28.0%

?

Sensor & Image

25.0%

?

Photo Features

18.0%

?

Video & Audio

14.0%

?

Display & Design

8.0%

?

Battery & Power

7.0%

?

Connectivity & Storage

8.1
Olympus OM-D E-M1 Mark III has a technical score of 8.11 points, which is higher than 93% of cameras.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the camera.

When it matters: When real-world owner satisfaction and review volume matter to your decision.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by the camera.
When it matters: When you want to see which cameras attract the most buyer attention and review activity.
1.0
Olympus OM-D E-M1 Mark III has a popularity of 1 points, which is higher than 0% of products in this category.
Ratio quality/price

What it is: An indicator that combines the camera's overall rating with its cost.

When it matters: When you want to know how much overall quality you get for the price.

Score components:

60.0%

8.1

Overall score

40.0%

2.2

Price

6.3
Olympus OM-D E-M1 Mark III has a quality-to-price ratio of 6.3 points, which is higher than 57.4% of products in this category.
Sensor size
What it is: The sensor format value describes the physical light-collecting area.
When it matters: When you shoot in more difficult lighting.

Importance: HIGH

Good value: Full frame or larger

four thirds
Olympus OM-D E-M1 Mark III uses a sensor classified as four thirds; it is larger than the sensor in 49% of cameras and the same size as the sensor in 8.1% of cameras.
Main camera megapixels
What it is: The effective resolution of the camera sensor, measured in megapixels (MP). Higher megapixels can capture more detail.
When it matters: When you want high-resolution photos that allow more cropping or larger prints.

Importance: HIGH

Good value: At least 20 MP

20.4 MP
Olympus OM-D E-M1 Mark III has a main camera resolution of 20.4 MP, which is higher than that of 71.6% of cameras and equal to that of 1.6% of cameras.
Main camera pixel size
What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
When it matters: When you shoot in low light and want reduced noise in your photos.

Importance: HIGH

Good value: At least 3.5 µm

3.34 µm
Olympus OM-D E-M1 Mark III has a main camera pixel size of 3.34 µm which is larger than in 49.8% of cameras and equal to the size in 2% of cameras.
Base ISO
What it is: The native ISO setting that delivers the sensor’s standard balance of image quality and dynamic range.
When it matters: When you want the best native image quality and compare cameras at their most optimal sensitivity setting.

Importance: LOW

200
Olympus OM-D E-M1 Mark III has a base ISO of 200 which is higher than that of 84.9% of cameras and equal to that of 14.2% of cameras.
Max ISO
What it is: The ISO ceiling shows the highest sensor sensitivity available for darker scenes.
When it matters: When you shoot in more difficult lighting.

Importance: MEDIUM

Good value: At least ISO 25,600

25,600
Olympus OM-D E-M1 Mark III reaches a maximum sensitivity of ISO 25,600, which is higher than that of 75.5% of cameras and equal to that of 12.5% of cameras.
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Lens mount
What it is: The mechanical and electronic interface that determines which interchangeable lenses the camera can use.
When it matters: When lens availability, upgrade options, and long-term system compatibility are central to your buying decision.

Importance: LOW

Micro Four Thirds
Built-in focus motor
What it is: Indicates whether the camera body includes an internal autofocus motor for driving compatible lenses.
When it matters: When you plan to use older or budget lenses that depend on the camera body for autofocus drive.

Importance: LOW

yes
Olympus OM-D E-M1 Mark III has a built-in focus motor. 10.9% of cameras have a built-in focus motor.
N. of focus points
What it is: The total number of selectable autofocus points available for positioning and tracking focus.
When it matters: When you want more flexibility in placing focus precisely or tracking subjects across the frame.

Importance: HIGH

Good value: At least 200 points

121
Olympus OM-D E-M1 Mark III has 121 focus points, more than the number offered by 80.6% of cameras and equal to the number offered by 1.3% of cameras.
Phase-detection autofocus (photos)
What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.
When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.

Importance: HIGH

yes
Olympus OM-D E-M1 Mark III supports phase-detection autofocus for photos. 37.3% of cameras support phase-detection autofocus for photos.
AF tracking
What it is: An autofocus mode that continuously follows a moving subject to keep it sharp during shooting.
When it matters: When your subjects move unpredictably and you need the camera to keep focus on them automatically.

Importance: MEDIUM

yes
Olympus OM-D E-M1 Mark III supports AF tracking. This feature is available on 88% of cameras.
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Max video resolution
What it is: The highest video resolution the camera can record, defining the maximum level of captured image detail.
When it matters: When you care about recording the highest level of detail for cropping, editing, or future-proof video work.

Importance: HIGH

Good value: At least 3840 px

3,840 px
Olympus OM-D E-M1 Mark III supports 3,840 px video recording which is higher quality than that of 76% of cameras and equal to that of 19.2% of cameras.
DCI 4K
Video bitrate
What it is: The amount of video data recorded per second, which affects file size and potential recording quality.
When it matters: When you compare potential video quality and want fewer compression artifacts in demanding scenes.

Importance: MEDIUM

Good value: At least 200 Mbps

237 Mbps
Olympus OM-D E-M1 Mark III has a video bitrate of 237 Mbps which is higher than that of 89.9% of cameras and equal to that of 0.6% of cameras.
Video bit depth
What it is: The number of bits used per color channel in recorded video, affecting gradation smoothness and editing flexibility.
When it matters: When you color grade video and want smoother gradients with fewer banding issues.

Importance: MEDIUM

Good value: At least 10-bit

12 bit
Olympus OM-D E-M1 Mark III supports video at 12 bit, a bit depth higher than that of 96% of cameras and equal to that of 3.5% of cameras.
HDMI
Video chroma subsampling
What it is: The color sampling format used in video recording, indicating how much color detail is retained relative to brightness detail.
When it matters: When color grading, keying, or serious post-production work is important in your video workflow.

Importance: LOW

4:2:2
Olympus OM-D E-M1 Mark III supports 4:2:2 video chroma subsampling which is more advanced than that of 77.9% of cameras and equal to that of 22.1% of cameras.
HDMI
Video codecs
What it is: The video compression formats the camera can use when recording, affecting compatibility, efficiency, and workflow.
When it matters: When compatibility, editing performance, and file efficiency matter in the way you handle video.

Importance: LOW

H.264, Motion JPEG, ProRes RAW
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Type
What it is: The camera type identifies the overall design, such as mirrorless, DSLR, compact, or bridge.
When it matters: When you want a camera style that matches how you shoot, carry, and swap lenses.

Importance: LOW

mirrorless
Weight
What it is: The total weight of the camera body, which affects comfort while carrying and shooting.
When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.

Importance: MEDIUM

Good value: 500 g or less

580 g
Olympus OM-D E-M1 Mark III weighs 580 g which is heavier than 71.9% of cameras and equal to the weight of 0.3% of cameras.
Width
What it is: The width of the camera body, measured from side to side.
When it matters: When compact packing, grip comfort, or bag fit matters to you.

Importance: LOW

134.1 mm
Olympus OM-D E-M1 Mark III has a width of 134.1 mm which is wider than 80.4% of cameras.
Height
What it is: The height of the camera body, measured from top to bottom.
When it matters: When you care about how compact the camera feels in a bag or in hand.

Importance: LOW

90.9 mm
Olympus OM-D E-M1 Mark III has a height of 90.9 mm which is taller than 67.9% of cameras and equal to that of 0.2% of cameras.
Thickness
What it is: The depth of the device profile, excluding the camera bump unless specified.
When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

Importance: LOW

69 mm
Olympus OM-D E-M1 Mark III has a thickness of 69 mm which is thicker than 62.4% of cameras and equal to that of 0.1% of cameras.
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Battery life (CIPA)
What it is: The official battery endurance estimate measured under CIPA test methodology, usually expressed in shots per charge.
When it matters: When you need realistic expectations for how many shots you can take before carrying a spare battery.

Importance: MEDIUM

Good value: At least 400 shots

420 shots
Olympus OM-D E-M1 Mark III has a CIPA-rated battery life of 420 shots, which is longer than that of 72.4% of cameras and equal to that of 0.9% of cameras.
Battery capacity
What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
When it matters: When you want a general idea of how large the battery is physically.

Importance: LOW

Good value: At least 1,500 mAh

1,720 mAh
Olympus OM-D E-M1 Mark III has a battery capacity of 1,720 mAh which is larger than the batteries in 78.3% of cameras and equal to those in 0.2% of cameras.
Removable battery
What it is: Indicates whether the flight battery can be removed and swapped by the user.
When it matters: When you want to swap batteries quickly between flights.

Importance: LOW

yes
Olympus OM-D E-M1 Mark III has a removable battery, and 98.7% of cameras include one.
USB Power Delivery (PD)
What it is: Support for the USB Power Delivery standard for higher-power charging or external power supply over USB-C.
When it matters: When you want faster USB-C charging or the ability to power the camera externally for longer sessions.

Importance: LOW

yes
Olympus OM-D E-M1 Mark III supports USB Power Delivery. 10% of cameras support USB Power Delivery.
USB PD charging only when powered off.
Wi-Fi connectivity
What it is: Indicates whether the camera has built-in Wi-Fi for image transfer, remote control, or network features.
When it matters: When you want to transfer photos wirelessly, control the camera from a phone, or use supported network workflows.

Importance: LOW

yes
Olympus OM-D E-M1 Mark III supports Wi-Fi. This feature is available on 47.8% of cameras.
Wi-Fi version
What it is: The specific generation of Wi-Fi standards supported (e.g., Wi-Fi 6, Wi-Fi 7), determining maximum speed and efficiency.
When it matters: When you have a high-speed router and want faster downloads with less congestion.

Importance: LOW

Wi-Fi 5 (802.11ac)
Olympus OM-D E-M1 Mark III uses Wi-Fi version Wi-Fi 5 (802.11ac) which is newer than that of 89.9% of cameras and equal to that of 9.6% of cameras.
Bluetooth connectivity
What it is: Indicates whether the camera supports Bluetooth for pairing, remote control, or file transfer.
When it matters: When you want quick wireless pairing with a phone, remote control, or location syncing.

Importance: LOW

yes
Olympus OM-D E-M1 Mark III has Bluetooth. 22.6% of cameras support Bluetooth.
Bluetooth 4.2.
Bluetooth version
What it is: The Bluetooth version supported by the camera for wireless pairing and low-power connections.
When it matters: When you want more efficient wireless pairing, better range, or newer Bluetooth features.

Importance: LOW

4.2
Olympus OM-D E-M1 Mark III supports Bluetooth version 4.2 which is newer than that supported by 86.4% of cameras and equal to that of 9.6% of cameras.
USB Type-C
What it is: A modern, reversible connector used for charging, data transfer, and sometimes audio or video output.
When it matters: When you want a reversible cable that handles charging, data, and accessories universally.

Importance: LOW

yes
Olympus OM-D E-M1 Mark III features USB Type-C. 14.5% of cameras use USB-C ports.
Supports Power Delivery.
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Olympus OM-D E-M1 Mark III vs the average camera

  • In-body stabilization
    Olympus OM-D E-M1 Mark III supports in-body stabilization, the average camera does not.
    5-axis in-body stabilization.
    What it is: A stabilization system that physically moves the image sensor to reduce shake during handheld shooting.
    When it matters: When you often shoot handheld and want sharper results at slower shutter speeds without relying only on lens stabilization.

    Importance: MEDIUM

    Olympus OM-D E-M1 Mark III supports in-body stabilization, the average camera does not.
  • Phase-detect AF for photos
    Olympus OM-D E-M1 Mark III supports phase-detection autofocus for photos, the average camera does not.
    What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.
    When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.

    Importance: HIGH

    Olympus OM-D E-M1 Mark III supports phase-detection autofocus for photos, the average camera does not.
  • 3.5 stops higher CIPA stabilization rating
    Olympus OM-D E-M1 Mark III has a higher CIPA stabilization rating than the average camera (7.5 stops vs 4 stops). The average camera has a CIPA stabilization rating of 4 stops.
    7 stops body only; 7.5 with Sync IS.
    What it is: The official stabilization effectiveness rating measured under CIPA standards, usually expressed in stops.
    When it matters: When you compare how effective stabilization really is for handheld shooting at slower shutter speeds.

    Importance: HIGH

    Good value: At least 5 stops

    Olympus OM-D E-M1 Mark III has a higher CIPA stabilization rating than the average camera (7.5 stops vs 4 stops). The average camera has a CIPA stabilization rating of 4 stops.7.5 stops vs 4 stops
  • 9.3 fps faster mechanical burst
    Olympus OM-D E-M1 Mark III has a faster mechanical burst rate than the average camera (15 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
    What it is: The maximum burst rate the camera can achieve using its mechanical shutter, measured in frames per second.
    When it matters: When you photograph sports, wildlife, or action and want more chances to catch the exact moment.

    Importance: MEDIUM

    Good value: At least 10 fps

    Olympus OM-D E-M1 Mark III has a faster mechanical burst rate than the average camera (15 fps vs 5.7 fps). The average camera shoots at 5.7 fps.15 fps vs 5.7 fps
  • 7.9x higher video bitrate
    Olympus OM-D E-M1 Mark III has a higher video bitrate than the average camera (237 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
    What it is: The amount of video data recorded per second, which affects file size and potential recording quality.
    When it matters: When you compare potential video quality and want fewer compression artifacts in demanding scenes.

    Importance: MEDIUM

    Good value: At least 200 Mbps

    Olympus OM-D E-M1 Mark III has a higher video bitrate than the average camera (237 Mbps vs 30 Mbps). The average camera records at 30 Mbps.237 Mbps vs 30 Mbps
  • 19,200 higher max ISO
    Olympus OM-D E-M1 Mark III has a higher max ISO than the average camera (25,600 vs 6,400). The average camera reaches a max ISO of 6,400.
    What it is: The ISO ceiling shows the highest sensor sensitivity available for darker scenes.
    When it matters: When you shoot in more difficult lighting.

    Importance: MEDIUM

    Good value: At least ISO 25,600

    Olympus OM-D E-M1 Mark III has a higher max ISO than the average camera (25,600 vs 6,400). The average camera reaches a max ISO of 6,400.25,600 vs 6,400
  • Human eye AF
    Olympus OM-D E-M1 Mark III supports human eye-detection AF, the average camera does not.
    What it is: Autofocus detection designed to identify and prioritize human eyes for portrait and action shooting.
    When it matters: When you shoot portraits, weddings, or events and want the camera to prioritize people’s eyes automatically.

    Importance: LOW

    Olympus OM-D E-M1 Mark III supports human eye-detection AF, the average camera does not.
  • 98 more AF points
    Olympus OM-D E-M1 Mark III has more focus points than the average camera (121 vs 23). The average camera offers 23 focus points.
    What it is: The total number of selectable autofocus points available for positioning and tracking focus.
    When it matters: When you want more flexibility in placing focus precisely or tracking subjects across the frame.

    Importance: HIGH

    Good value: At least 200 points

    Olympus OM-D E-M1 Mark III has more focus points than the average camera (121 vs 23). The average camera offers 23 focus points.121 vs 23
  • Better viewfinder type
    Olympus OM-D E-M1 Mark III uses a more advanced viewfinder than the average camera (electronic vs none).
  • Fully articulated screen
    Olympus OM-D E-M1 Mark III has a fully articulated screen, the average camera does not.
  • Has a touchscreen
    Olympus OM-D E-M1 Mark III has a touchscreen, the average camera does not. 36.6% of cameras support touchscreen input.
  • 60 Hz higher EVF refresh rate
    Olympus OM-D E-M1 Mark III has a higher EVF refresh rate than the average camera (120 Hz vs 60 Hz). The average camera has an EVF refresh rate of 60 Hz.
  • 89.7% higher magnification
    Olympus OM-D E-M1 Mark III has a higher viewfinder magnification than the average camera (1.5x vs 0.78x). The average camera has a viewfinder magnification of 0.78x.
  • 19,200 higher max ISO
    Olympus OM-D E-M1 Mark III has a higher max ISO than the average camera (25,600 vs 6,400). The average camera reaches a max ISO of 6,400.
  • Sensor cleaning system
    Olympus OM-D E-M1 Mark III includes a sensor cleaning system, the average camera does not.
  • 7 newer
    Olympus OM-D E-M1 Mark III is newer than the average camera (2020 vs 2013). The average camera was released in 2013.
  • 4.2 MP higher resolution on the main camera
    Olympus OM-D E-M1 Mark III has a higher main camera resolution than the average camera (20.4 MP vs 16.2 MP). The average camera has a main camera resolution of 16.2 MP.
  • 470 points higher DxOMark Sports score
    Olympus OM-D E-M1 Mark III has a higher DxOMark sports score than the average camera (1,312 points vs 842 points). The average camera has a DxOMark sports score of 842 points.
  • 7 points higher DxOMark sensor score
    Olympus OM-D E-M1 Mark III has a higher DxOMark sensor score than the average camera (80 points vs 73 points). The average camera has a DxOMark sensor score of 73 points.
  • Higher DxOMark landscape score
    Olympus OM-D E-M1 Mark III has a higher DxOMark landscape score than the average camera (12.8 vs 12.4). The average camera scores 12.4.
  • In-body stabilization
    Olympus OM-D E-M1 Mark III supports in-body stabilization, the average camera does not.
  • Phase-detect AF for photos
    Olympus OM-D E-M1 Mark III supports phase-detection autofocus for photos, the average camera does not.
  • 3.5 stops higher CIPA stabilization rating
    Olympus OM-D E-M1 Mark III has a higher CIPA stabilization rating than the average camera (7.5 stops vs 4 stops). The average camera has a CIPA stabilization rating of 4 stops.
  • 9.3 fps faster mechanical burst
    Olympus OM-D E-M1 Mark III has a faster mechanical burst rate than the average camera (15 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
  • Human eye AF
    Olympus OM-D E-M1 Mark III supports human eye-detection AF, the average camera does not.
  • 98 more AF points
    Olympus OM-D E-M1 Mark III has more focus points than the average camera (121 vs 23). The average camera offers 23 focus points.
  • Combined stabilization
    Olympus OM-D E-M1 Mark III supports combined stabilization, the average camera does not.
  • 1,770 s longer maximum exposure
    Olympus OM-D E-M1 Mark III supports a longer maximum exposure than the average camera (1,800 s vs 30 s). The average camera supports a longest shutter speed of 30 s.
  • 300,000 more shutter cycles
    Olympus OM-D E-M1 Mark III has a higher shutter durability than the average camera (400,000 vs 100,000). The average camera is rated for 100,000 shutter cycles.
  • Built-in AF motor
    Olympus OM-D E-M1 Mark III has a built-in focus motor, the average camera does not.
  • Lossless compressed RAW
    Olympus OM-D E-M1 Mark III supports lossless compressed RAW, while the average camera does not.
  • Supports touch autofocus
    Olympus OM-D E-M1 Mark III supports touch autofocus, the average camera does not. 34.9% of cameras support touch autofocus.
  • 7.9x higher video bitrate
    Olympus OM-D E-M1 Mark III has a higher video bitrate than the average camera (237 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
  • Includes headphone output
    Olympus OM-D E-M1 Mark III includes a headphone output, the average camera does not.
  • Has microphone input
    Olympus OM-D E-M1 Mark III has microphone input, the average camera does not.
  • 4-bit higher video bit depth
    Olympus OM-D E-M1 Mark III supports a higher video bit depth than the average camera (12 bit vs 8 bit). The average camera supports video at 8 bit.
  • Supports slow-motion video
    Olympus OM-D E-M1 Mark III supports slow-motion video, the average camera does not.
  • 1920 px higher video resolution
    Olympus OM-D E-M1 Mark III records higher-resolution video than the average camera (3,840 px vs 1920 px). The average camera records at 1920 px.
  • Phase-detect AF in video
    Olympus OM-D E-M1 Mark III supports phase-detection autofocus in video, the average camera does not.
  • More complete chroma subsampling
    Olympus OM-D E-M1 Mark III supports better video chroma subsampling than the average camera (4:2:2 vs 4:2:0). The average camera supports 4:2:0 video chroma subsampling.
  • Clean HDMI output
    Olympus OM-D E-M1 Mark III offers clean HDMI output, the average camera does not.
  • Supports live streaming
    Olympus OM-D E-M1 Mark III supports live streaming, the average camera does not.
  • Supports log profiles
    Olympus OM-D E-M1 Mark III supports log profiles, the average camera does not.
  • Built-in timelapse
    Olympus OM-D E-M1 Mark III includes timelapse capture, the average camera does not.
  • Supports 24p cinema mode
    Olympus OM-D E-M1 Mark III supports 24p cinema mode, the average camera does not. 44% of cameras support this mode.
  • USB Power Delivery
    Olympus OM-D E-M1 Mark III supports USB Power Delivery, the average camera does not.
  • 600 mAh larger battery capacity
    Olympus OM-D E-M1 Mark III has a higher battery capacity than the average camera (1,720 mAh vs 1,120 mAh). The average camera has a battery capacity of 1,120 mAh.
  • 90 shots longer battery life
    Olympus OM-D E-M1 Mark III has longer battery life than the average camera (420 shots vs 330 shots). The average camera delivers 330 shots per charge.
  • Dual card slots
    Olympus OM-D E-M1 Mark III offers dual card slots, the average camera does not. 13.3% of cameras offer them.
  • Has USB Type-C
    Olympus OM-D E-M1 Mark III has a USB Type-C port, the average camera does not. 14.5% of cameras use USB-C.
  • Has Bluetooth
    Olympus OM-D E-M1 Mark III supports Bluetooth, the average camera does not. 22.7% of cameras support Bluetooth.
  • Supports Wi-Fi connectivity
    Olympus OM-D E-M1 Mark III supports Wi-Fi, the average camera does not. 47.8% of cameras support Wi-Fi.
  • Smartphone remote control
    Olympus OM-D E-M1 Mark III supports smartphone remote control, the average camera does not. 46.2% of cameras support smartphone remote control.
  • Newer USB version
    Olympus OM-D E-M1 Mark III supports a newer USB version than the average camera (USB 3.2 Gen 1 vs USB 2.0). The average camera uses USB 2.0.
  • 46.8% heavier
    Olympus OM-D E-M1 Mark III is heavier than the average camera (580 g vs 395 g). The average camera weighs 395 g.
  • No flash
    Olympus OM-D E-M1 Mark III does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
    Bundled external flash, not built in.
  • 14.2 mm wider
    Olympus OM-D E-M1 Mark III is wider than the average camera (134.1 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
  • 17 mm taller body
    Olympus OM-D E-M1 Mark III is taller than the average camera (90.9 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
  • 23 mm thicker
    Olympus OM-D E-M1 Mark III is thicker than the average camera (69 mm vs 46 mm). The average camera has a thickness of 46 mm.
  • Lower RAW bit depth
    Olympus OM-D E-M1 Mark III supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.
  • Smaller sensor
    Olympus OM-D E-M1 Mark III has a smaller sensor than the average camera (four thirds vs APS-C).
  • Worse low-light autofocus
    Olympus OM-D E-M1 Mark III has a worse low-light AF sensitivity than the average camera (-2 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
    Rated with f/2.8 lens; up to -6 at ISO 100 with f/1.2 lens.
  • Lower RAW bit depth
    Olympus OM-D E-M1 Mark III supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.
    What it is: The number of bits used to encode color and tonal information in RAW files captured by the camera.
    When it matters: When you heavily edit RAW photos and want more tonal information for aggressive adjustments.

    Importance: MEDIUM

    Good value: At least 14-bit

    Olympus OM-D E-M1 Mark III supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.12-bit vs 14-bit
  • Smaller sensor
    Olympus OM-D E-M1 Mark III has a smaller sensor than the average camera (four thirds vs APS-C).
    What it is: The sensor format value describes the physical light-collecting area.
    When it matters: When you shoot in more difficult lighting.

    Importance: HIGH

    Good value: Full frame or larger

    Olympus OM-D E-M1 Mark III has a smaller sensor than the average camera (four thirds vs APS-C).four thirds vs APS-C
  • Worse low-light autofocus
    Olympus OM-D E-M1 Mark III has a worse low-light AF sensitivity than the average camera (-2 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
    Rated with f/2.8 lens; up to -6 at ISO 100 with f/1.2 lens.
    What it is: The lowest light level at which the autofocus system is rated to work reliably.
    When it matters: When you shoot in dim environments and need autofocus that still locks confidently after dark.

    Importance: MEDIUM

    Olympus OM-D E-M1 Mark III has a worse low-light AF sensitivity than the average camera (-2 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.-2 vs -4
  • 46.8% heavier
    Olympus OM-D E-M1 Mark III is heavier than the average camera (580 g vs 395 g). The average camera weighs 395 g.
    What it is: The total weight of the camera body, which affects comfort while carrying and shooting.
    When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.

    Importance: MEDIUM

    Good value: 500 g or less

    Olympus OM-D E-M1 Mark III is heavier than the average camera (580 g vs 395 g). The average camera weighs 395 g.580 g vs 395 g
  • No flash
    Olympus OM-D E-M1 Mark III does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
    Bundled external flash, not built in.
    What it is: Indicates the presence of an integrated light source to illuminate subjects in low-light conditions.
    When it matters: When you need a quick built-in light for fill flash or simple low-light shots.

    Importance: LOW

    Olympus OM-D E-M1 Mark III does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
  • 5.45x more expensive
    Olympus OM-D E-M1 Mark III is more expensive than the average camera (£1,580 vs £290).
    Olympus OM-D E-M1 Mark III is more expensive than the average camera (£1,580 vs £290).£1,580 vs £290
  • 14.2 mm wider
    Olympus OM-D E-M1 Mark III is wider than the average camera (134.1 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
    What it is: The width of the camera body, measured from side to side.
    When it matters: When compact packing, grip comfort, or bag fit matters to you.

    Importance: LOW

    Olympus OM-D E-M1 Mark III is wider than the average camera (134.1 mm vs 119.9 mm). The average camera has a width of 119.9 mm.134.1 mm vs 119.9 mm
  • 17 mm taller body
    Olympus OM-D E-M1 Mark III is taller than the average camera (90.9 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
    What it is: The height of the camera body, measured from top to bottom.
    When it matters: When you care about how compact the camera feels in a bag or in hand.

    Importance: LOW

    Olympus OM-D E-M1 Mark III is taller than the average camera (90.9 mm vs 73.9 mm). The average camera has a height of 73.9 mm.90.9 mm vs 73.9 mm

Graphic comparison of Olympus OM-D E-M1 Mark III and

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Third-party reviews

What customers like about Olympus OM-D E-M1 Mark III?

  • Extremely effective in-body image stabilization (IBIS) allows for very slow shutter speed handheld shooting
  • Ergonomic, comfortable grip and robust weather-sealed, durable body
  • Compact and lightweight system, ideal for travel and nature photography
  • Fast, accurate, and reliable autofocus with subject tracking
  • Highly customizable buttons and menus
  • Versatile high-res shooting mode (handheld and tripod)
  • Built-in ND filter functionality

What customers dislike about Olympus OM-D E-M1 Mark III?

  • Default JPEG sharpening can be aggressive/clumsy
  • Small sensor (Micro Four Thirds) compared to full-frame alternatives, resulting in higher noise at high ISO
  • High-res mode is slow and struggles with moving subjects
  • Some users find the menu system complex/dense
  • Similar specifications to the older, cheaper Mark II

Expert reviews

D
dpreview.com
27/07/2020

The DPReview analysis of the Olympus OM-D E-M1 Mark III highlights a versatile Micro Four Thirds camera featuring top-tier 5-axis image stabilization, a 50MP handheld high-res mode, and specialized computational features like Starry Sky AF and Live ND. Pros include a robust, weather-sealed body, excellent JPEG colors, and high-speed shooting capabilities, making it a powerful tool...Read more

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amateurphotographer.com
06/03/2020

The Amateur Photographer review of the Olympus OM-D E-M1 Mark III highlights it as a robust, portable professional camera boasting top-tier in-body image stabilization (IBIS), impressive weather sealing, and innovative computational features like handheld High Res Shot and Live ND. Its TruePic IX processor also improves autofocus reliability, particularly for tracking, while the...Read more

T
techradar.com
04/05/2020

The Olympus OM-D E-M1 Mark III is a highly capable and lightning-fast Micro Four Thirds mirrorless camera powered by the advanced TruePic IX processor, effectively compressing the power of the flagship E-M1X into a more compact, weather-sealed magnesium alloy body. Designed for professionals and enthusiasts, it excels in versatility by providing specialized shooting modes such as a...Read more

D
digitalcameraworld.com
29/02/2020

The Olympus OM-D E-M1 Mark III is a versatile, professional Micro Four Thirds camera designed as an all-purpose tool for general practice photography, combining the advanced features of the larger E-M1X into a compact 504g body. Powered by the robust TruePic IX image processor, it delivers exceptional performance benchmarks, including a world-class in-body image stabilization (IBIS)...Read more

C
cameralabs.com
12/02/2020

The Olympus OMD EM1 Mark III is a rugged, highly portable Micro Four Thirds mirrorless camera designed for speed and robustness, providing an excellent option for sports, wildlife, and outdoor photographers. It features a reliable 20-megapixel sensor paired with a new TruePic IX image processor, delivering fast autofocus via 121 cross-type phase-detect points and robust continuous...Read more

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alexroddie.com
20/03/2021

Comprehensive Review Summary Alex Roddie provides a highly positive, real-world review of the Olympus OM-D E-M1 Mark III, highlighting its exceptional performance as a consolidated, single-system solution for mountain backpacking and wildlife photography. The camera excels with its pro-level compact and lightweight design, robust weather sealing, and ergonomic handling featuring...Read more

J
jonmullin.com
08/10/2024

The Olympus OM-D E-M1 Mark III is a compact and durable micro four thirds camera praised for its exceptional speed, boasting up to 15 frames per second (FPS) mechanical and 60 FPS electronic shutter speeds. Its 121-point single autofocus system is lightning-fast and highly customizable, complemented by effective face/eye detection and a dedicated joystick for quick navigation. The...Read more

D
dpreview.com
27/07/2020

The Olympus OM-D E-M1 Mark III is a highly capable run-and-gun video platform, highlighted by industry-leading image stabilization, sharp DCI 4K/24p footage, and minimal rolling shutter. Its responsive, reliable subject-tracking autofocus makes it a practical option for vlogging, though the 8-bit OM-Log400 color profile limits grading flexibility. DPReview Key disadvantages noted...Read more

U
uk.pcmag.com
04/06/2020

The Olympus OM-D E-M1 Mark III is a rugged, pro-grade mirrorless camera designed for the Micro Four Thirds system that offers extensive dust, splash, and IPX1-certified weather protection. While it retains the same 20MP image sensor and form factor as its predecessor, it introduces an updated image processor that enables powerful computational features like Live ND, Starry Sky...Read more

E
ephotozine.com
12/02/2020

The Olympus OM-D E-M1 Mark III, reviewed by ePHOTOzine, is a 20-megapixel Micro Four Thirds mirrorless camera praised for its exceptional 5-axis IBIS, 50MP/80MP High-Res shot modes, and LiveND feature. The rugged, weather-sealed body includes improved ergonomics with a focus joystick, while offering robust 4K video capabilities and fast, accurate autofocus tracking. Key drawbacks...Read more

D
dkamera.de
07/03/2021

Olympus OM-D E-M1 Mark III The Olympus OM-D E-M1 Mark III is a flagship Micro Four Thirds mirrorless camera featuring a 20.2-megapixel sensor that delivers very good image quality up to ISO 800, with acceptable performance up to ISO 3,200. Its standout features include a highly effective 5-axis in-body image stabilization system offering up to 5 stops of practical compensation, and...Read more

C
computerbild.de
07/02/2022

The Olympus OM-D E-M1 Mark III is a highly durable, professional-grade Micro Four Thirds system camera packaged in a compact and lightweight body. Powered by the advanced TruePic IX processor, the camera achieves an exceptionally fast continuous shooting speed of 17.13 frames per second and utilizes enhanced software for highly accurate subject tracking. Its robust, weather-sealed...Read more

F
fotomagazin.de
14/05/2021

The fotoMAGAZIN review highlights the Olympus OM-D E-M1 Mark III as a highly successful Micro Four Thirds camera that inherits premium capabilities from the flagship E-M1X. Pros emphasized in the review include its impressive 50-megapixel handheld High-Res mode and an 80-megapixel tripod mode. The camera boasts an exceptional 5-axis image stabilization system achieving up to 7.5...Read more

D
digitalphoto.de
27/05/2020

The Olympus OM-D E-M1 Mark III is a professional-grade Micro Four Thirds mirrorless camera that offers a massive feature set and excellent image quality within a highly compact, weatherproof body. Inheriting several premium features from the larger E-M1X flagship, it boasts a 20.4-megapixel sensor, an upgraded internal 5-axis image stabilization system compensating for up to seven...Read more

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avguide.ch
29/03/2020

Olympus OM-D E-M1 Mark III The Olympus OM-D E-M1 Mark III is a highly versatile, photo-centric camera that handles video production, vlogging, and professional filming remarkably well thanks to its fully articulating touchscreen. Its standout feature is an exceptional 5-axis in-body image stabilisation system that requires no cropping and allows filmmakers to capture steady handheld...Read more

S
speicherkarten.guru
30/05/2020

The Speicherkarten.guru review highlights the Olympus OM-D E-M1 Mark III as a compelling compromise between price and performance in the brand's premium camera lineup. Positioned as a significantly more affordable option than the top-tier E-M1X, it brings a fresh generation of power by combining the advanced TruePic IX image processor with a 20-megapixel sensor, integrated body...Read more

P
partonsenvoyage.com
18/03/2025

The Olympus OM-D E-M1 Mark III is a highly compact, robust, and weather-sealed Micro 4/3 mirrorless camera designed primarily for travel photographers and advanced amateurs. Weighing 504 grams, it retains the ergonomic grip of its predecessor while introducing a rear joystick for fast autofocus point selection and a custom "My Menu" system to save frequent settings. Its standout...Read more

L
lesnumeriques.com
21/05/2020

The Olympus OM-D E-M1 Mark III is a rugged and highly versatile Micro 4/3 mirrorless camera designed primarily for professional and demanding expert photographers. One of its standout features is the exceptional build quality, highlighted by robust weather-sealing that officially earns an IPX1 certification. Handling is significantly improved with the addition of a much-requested...Read more

X
xatakafoto.com
22/04/2020

The Olympus OM-D E-M1 Mark III is a highly compact, professional-grade Micro Four Thirds mirrorless camera priced at €1,799 for the body alone. It inherits several high-end features from its larger sibling, the E-M1X, including a TruePic IX processor, a robust weather-sealed body, dual SD card slots, and an improved shutter rated for 400,000 actuations. The camera stands out for its...Read more

N
naturpixel.com
16/03/2020

The Olympus OM-D E-M1 Mark III combined with the M.Zuiko Digital ED 12-45mm ƒ/4 PRO lens serves as a remarkably compact, lightweight, and versatile kit designed for agile creators. The core strengths highlighted in the review include the camera's exceptional 5-axis in-body image stabilization (IBIS) system offering up to 7.5 steps, which allows sharp handheld shots at exposure times...Read more

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afdigitale.it
17/03/2020

The AF Digitale review of the Olympus OM-D E-M1 Mark III positions this Micro Four Thirds mirrorless camera as an excellent choice for passionate travel and adventure photographers rather than uncompromising studio professionals. A major strength highlighted in the review is the camera's compact size and lightweight build, which provides exceptional portability when traveling with...Read more

M
micro43italia.it
18/05/2020

The Olympus OM-D E-M1 Mark III serves as the definitive technological pinnacle of the Micro 4/3 system, packing the high-performance TruePic IX processor to deliver identical computational capabilities to the dual-processor E-M1X flagship. While maintaining the exact same outer form factor and stellar ergonomics as the previous Mark II model, it introduces a highly requested...Read more

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micro43italia.it
25/11/2021

The review by Ugo Baldassarre highlights the Olympus OM-D E-M1 Mark III as a solid, powerful evolution of its predecessor rather than a revolutionary overhaul. Evaluated alongside real-world professional testing by photographer Nick Gritti, the camera's main pros lie in its computational power and hardware layout improvements. The integration of the TruePic IX processor—the most...Read more

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digifotopro.nl
25/12/2020

The Olympus OM-D E-M1 Mark III is reviewed as a highly durable, lightweight, and versatile pro-level camera that packs massive performance into a compact form factor. Its standout advantages include a world-class 5-axis image stabilization system that provides up to 7 stops of compensation, allowing users to shoot sharp handheld images at shutter speeds of up to a full second....Read more

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