Olympus OM-D E-M1 Mark III

The Olympus OM-D E-M1 Mark III is the third iteration of the flagship camera in the series of OM-D mirrorless interchangeable-lens cameras produced by Olympus on the Micro Four-Thirds system.[1] Released on February 28, 2020, it replaced the Olympus OM-D E-M1 Mark II.

Olympus OM-D E-M1 Mark III
Olympus E-M1 Mark III Zuiko 12
Overview
MakerOlympus Corporation
Typemirrorless interchangeable-lens camera
Released2020
Lens
Lens mountMicro Four Thirds
Compatible lensesPanasonic, Leica, Samyang, Tamron, Voigtländer, Yongnuo
Sensor/medium
Sensor5184 x 3888 (20.4 megapixel)
Sensor typeTruePic IX
Sensor size17.3 x 13mm (Four Thirds type)
Maximum resolution20.4 Mp
8160 × 6120 (50 Mp) hand-held 'High Res Shot'
10368 × 7776 (80 Mp) Tripod 'High Res Shot'
Film formatMPEG-4, H.264
Recording mediumDual SD/SDHC/SDXC slots (UHS-II on first slot)
Focusing
Focus modesContrast Detect (sensor), Phase Detect, Multi-area, Center, Selective single-point, Tracking, Single, Continuous, Touch, Face Detection, Live View
Focus areas121 points
Focus bracketingYes
Exposure/metering
Exposure bracketing±5 (at 1/3 EV, 1/2 EV, 1 EV steps)
Exposure meteringMulti, Center-weighted, Spot
Flash
FlashYes (via hot shoe)
Flash exposure compensationRedeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync. (1st curtain), Slow sync. (2nd curtain), Manual
Flash synchronization1/250 s
Flash bracketingYes
Shutter
Shutter speed range400000
Shutter speeds1/32000 – 60 s
Continuous shootingBulb
Viewfinder
Electronic viewfinderbuilt-in 2.36 MP (with Auto Luminance, 100% coverage)
Viewfinder magnification0.74x
Frame coverage100%
Image processing
Image processorTruePic IX
White balance7 presets, 4 Custom
WB bracketingYes
Dynamic range bracketingYes
General
Video recording4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM

3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM
3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM
3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM
1920 x 1080 @ 60p, MOV, H.264, Linear PCM
1920 x 1080 @ 50p, MOV, H.264, Linear PCM
1920 x 1080 @ 30p, MOV, H.264, Linear PCM
1920 x 1080 @ 25p, MOV, H.264, Linear PCM

1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM
BatteryBLH-1 lithium-ion battery
Optional accessoriesUSB charging
Data Port(s)USB 3.2 Gen 1 (5 GBit/sec), Wireless 802.11ac, Bluetooth, Headphone port, Microphone port, micro HDMI
Body featuresMagnesium alloy
Dimensions134 x 91 x 69 mm (5.28 x 3.58 x 2.72″)
Weight580 g (1.28 lb / 20.46 oz)
Made in Vietnam
Chronology
PredecessorOlympus OM-D E-M1 Mark II

The E-M1 Mark III follows the E-M1 Mark II in embracing artificial intelligence-based features such as a deep learning autofocus system and multi-shot image processing to simulate neutral-density filters and a hi-res mode that allows the 20-megapixel camera to produce 50-megapixel images while handheld and 80-megapixel images while being on tripod. The camera also includes a 60 frames-per-second continuous shooting mode.[2]

Features
  • 20.4-megapixel Micro Four-Thirds sensor
  • 121-point autofocus system
  • Image stabilization (up to 7.0EV or up to 7.5 with 'Sync IS' lenses)
  • ISO range: 200–25600, with "LOW ISO 64"
  • Handheld high-resolution shot mode
  • Starry Sky AF for Astrophotography
  • Up to 60 frames per second
  • Multi-shot mode simulates ND filters (ND2, ND4, ND8, ND16, ND32)
  • LCD viewfinder
  • 3 inch screen
  • 420 shots per charge
  • Dual SD card slots (1 x UHS-II, 1 x UHS-I)
  • 8-way joystick
  • IPX1-rated weather sealing
  • USB charging

Hi-resolution shot mode

In tripod and handheld mode, the camera rapidly captures 8 images (Tripod) or 16 images (Handheld) which are combined into 160 Mpx (tripod) or 320 MPx (handheld) of data, which the camera combines into 80 MPx (10368×7776 px) images in tripod mode or 50 MPx (8160×6120 px) image in handheld mode.[3] The tripod mode ISO limit is 1600, or ISO 6400 in handheld mode. Pictures can be saved in RAW or JPEG format. Handhold exposure can be set up to 4 seconds.

The benefit of hi-res mode is bigger resolution, low noise and an increase of dynamic range.[4][5]

Reception

The E-M1 Mark III was generally favored for improvements made over the Mark II, such as the introduction of a handheld mode and a lower base cost.[6]

The camera took criticism for including the same 20-megapixel sensor, electronic viewfinder, and screen, as its predecessor, the Mark II. The same sensor is also present in the enthusiast-level Olympus OM-D E-M5 Mark III which was released just months earlier.[7]

References
Wikimedia Commons has media related to Olympus E-M1 Mark III.
  1. "E-M1 Mark III Digital Camera | Olympus Cameras, Audio & Binoculars". www.getolympus.com. Retrieved April 22, 2021.
  2. "Olympus OM-D E-M1 Mark III review". DPReview. Retrieved April 22, 2021.
  3. "Understanding Olympus OM-D E-M1 Mark III and E-M1X High Res Shot modes". dpreview.com. Retrieved July 25, 2021.
  4. "HHHR increases dynamic range". smallsensorphotography.com. May 15, 2020. Retrieved July 25, 2021.
  5. "Olympus High Res Shot Mode Special Edition you can compare Normal versus High Res Shot Mode values". photonstophotos.net. Retrieved July 25, 2021.
  6. "Olympus OM-D E-M1 Mark III Review". PCMAG. Retrieved March 13, 2023.
  7. February 2020, James Artaius 29 (February 29, 2020). "Olympus OM-D E-M1 Mark III review". digitalcameraworld. Retrieved April 22, 2021.
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