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). A higher resolution 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 sensor 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 sensor pixels measuring 3.34 µm, which are larger than those in 49.8% of cameras and the same size as those 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 ISO
Olympus OM-D E-M1 Mark III reaches a maximum sensitivity of ISO ISO 25600, 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 3840 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 1720 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 camera battery can be removed and replaced by the user.
When it matters: When you want to swap batteries quickly during a long shoot or replace an aging battery.

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
  • 207 Mbps 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
  • 19200 ISO higher maximum sensitivity limit
    Olympus OM-D E-M1 Mark III has a higher max ISO than the average camera (25600 ISO vs 6400 ISO). The average camera reaches a max ISO of 6400 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

    Olympus OM-D E-M1 Mark III has a higher max ISO than the average camera (25600 ISO vs 6400 ISO). The average camera reaches a max ISO of 6400 ISO.25600 ISO vs 6400 ISO
  • 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.
  • 19200 ISO higher maximum sensitivity limit
    Olympus OM-D E-M1 Mark III has a higher max ISO than the average camera (25600 ISO vs 6400 ISO). The average camera reaches a max ISO of 6400 ISO.
  • 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 sensor resolution
    Olympus OM-D E-M1 Mark III has a higher sensor resolution than the average camera (20.4 MP vs 16.2 MP). The average camera has a sensor 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 (1312 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.
  • 0.4 points higher DxOMark Landscape score
    Olympus OM-D E-M1 Mark III has a higher DxOMark landscape score than the average camera (12.8 points vs 12.4 points). The average camera scores 12.4 points.
  • 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.
  • 1770 s longer maximum exposure
    Olympus OM-D E-M1 Mark III supports a longer maximum exposure than the average camera (1800 s vs 30 s). The average camera supports a longest shutter speed of 30 s.
  • 300000 more shutter cycles
    Olympus OM-D E-M1 Mark III has a higher shutter durability than the average camera (400000 vs 100000). The average camera is rated for 100000 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.
  • 207 Mbps 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 color 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 (3840 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 (1720 mAh vs 1120 mAh). The average camera has a battery capacity of 1120 mAh.
  • 90 shots more shots per charge
    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 (£1580 vs £290).
    Olympus OM-D E-M1 Mark III is more expensive than the average camera (£1580 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

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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

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dpreview.com
27/07/2020
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amateurphotographer.com
06/03/2020
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techradar.com
04/05/2020
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digitalcameraworld.com
29/02/2020
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cameralabs.com
12/02/2020
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alexroddie.com
20/03/2021
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jonmullin.com
08/10/2024
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dpreview.com
27/07/2020
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uk.pcmag.com
04/06/2020
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ephotozine.com
12/02/2020
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dkamera.de
07/03/2021
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C
computerbild.de
07/02/2022
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fotomagazin.de
14/05/2021
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D
digitalphoto.de
27/05/2020
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avguide.ch
29/03/2020
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speicherkarten.guru
30/05/2020
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partonsenvoyage.com
18/03/2025
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lesnumeriques.com
21/05/2020
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xatakafoto.com
22/04/2020
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naturpixel.com
16/03/2020
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afdigitale.it
17/03/2020
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micro43italia.it
18/05/2020
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micro43italia.it
25/11/2021
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digifotopro.nl
25/12/2020
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