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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.^[1] 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.^[2]

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.^[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.^{[citation needed]}

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]