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Olympus OM-D E-M1 Mark III

Olympus E-M1 Mark III Zuiko 12
Overview
Maker	Olympus Corporation
Type	mirrorless interchangeable-lens camera
Released	2020
Lens
Lens mount	Micro Four Thirds
Compatible lenses	Panasonic, Leica, Samyang, Tamron, Voigtländer, Yongnuo
Sensor/medium
Sensor	5184 x 3888 (20.4 megapixel)
Sensor type	TruePic IX
Sensor size	17.3 x 13mm (Four Thirds type)
Maximum resolution	20.4 Mp 8160 × 6120 (50 Mp) hand-held 'High Res Shot' 10368 × 7776 (80 Mp) Tripod 'High Res Shot'
Film format	MPEG-4, H.264
Film speed	200–25600, with "LOW ISO 64"
Recording medium	Dual SD/SDHC/SDXC slots (UHS-II on first slot)
Focusing
Focus modes	Contrast Detect (sensor), Phase Detect, Multi-area, Center, Selective single-point, Tracking, Single, Continuous, Touch, Face Detection, Live View
Focus areas	121 points
Focus bracketing	Yes
Exposure/metering
Exposure bracketing	±5 (at 1/3 EV, 1/2 EV, 1 EV steps)
Exposure metering	Multi, Center-weighted, Spot
Flash
Flash	Yes (via hot shoe)
Flash exposure compensation	Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync. (1st curtain), Slow sync. (2nd curtain), Manual
Flash synchronization	1/250 s
Flash bracketing	Yes
Shutter
Shutter speeds	1/32000 – 60 s
Continuous shooting	Bulb
Viewfinder
Electronic viewfinder	built-in 2.36 MP (with Auto Luminance, 100% coverage)
Viewfinder magnification	0.74x
Frame coverage	100%
Image processing
Image processor	TruePic IX
White balance	7 presets, 4 Custom
WB bracketing	Yes
Dynamic range bracketing	Yes
General
Video recording	4096 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
Battery	BLH-1 lithium-ion battery
Optional accessories	USB charging
Data Port(s)	USB 3.2 Gen 1 (5 GBit/sec), Wireless 802.11ac, Bluetooth, Headphone port, Microphone port, micro HDMI
Body features	Magnesium alloy
Dimensions	134 x 91 x 69 mm (5.28 x 3.58 x 2.72″)
Weight	580 g (1.28 lb / 20.46 oz)
Made in	Vietnam
Chronology
Predecessor	Olympus OM-D E-M1 Mark II
Successor	OM System OM-1

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. Released on February 28, 2020, it replaced the Olympus 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.

Features

• 20.4-megapixel Micro Four-Thirds sensor
• 121-point autofocus system
• Image stabilization (up to 7.0 EV or up to 7.5 with 'Sync IS' lenses)
• ISO range: 200 to 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. 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.

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.

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.

References

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. Artaius, James (February 29, 2020). "Olympus OM-D E-M1 Mark III review". digitalcameraworld. Retrieved April 22, 2021.

• Olympus mirrorless interchangeable lens cameras
• Cameras introduced in 2020