OM System OM-D E-M1 OM System OM-D E-M1 Mark III

Is the upgrade worth it? Every change on the spec sheet, and an honest read on who should bother.

OM System OM-D E-M1
OM System OM-D E-M1
OM System OM-D E-M1 Mark III
OM System OM-D E-M1 Mark III

The bottom line

The OM System OM-D E-M1 Mark III is 2 generations newer to your OM System OM-D E-M1, released 7 years later. Across the full spec sheet it improves 14 items and steps back on 2. The changes that matter most: burst jumps from 10fps to 25fps; resolution rises from 16.3MP to 20.4MP; 4K video arrives. The OM System OM-D E-M1 Mark III lists at $1,799 (the OM System OM-D E-M1 launched at $1,299, and older bodies typically sell for well under launch price on the used market). If several of the gains below map to how you shoot, this is a substantial step up; if none do, your current body keeps doing everything it does today.

Upgrade to the OM System OM-D E-M1 Mark III if…

  • You shoot action, sports or wildlife — 25fps burst plus dedicated subject-tracking AF keeps up with fast, erratic movement where 10fps would drop frames.
  • You shoot video seriously — it brings 10-bit internal colour, Log for gradable footage and both mic and headphone jacks for monitored audio.
  • You vlog or shoot handheld solo — the fully-articulating screen flips to face you and there's a mic input for clean audio.
  • You shoot in low light or indoors — AF that focuses down to -6 EV gives it the edge after dark.

Stick with the OM System OM-D E-M1 if…

  • You're budget-conscious — it launched at $1,299, about $500 less, freeing money for lenses.
  • None of the headline changes map to what you actually shoot — the camera you own doesn't get worse when a successor launches.

What changed (26 items)

14 improved · 2 stepped back · → changed without a clear better/worse

SpecOM System OM-D E-M1OM System OM-D E-M1 Mark III
Imaging
Image ProcessorTruePic VIITruePic IX
Effective Resolution16.3 MP20.4 MP
Exposure Control
ISO Range (Extended)100 – 2560064 – 102400
Electronic Shutter1/160001/32000
Still Image Capture
Continuous Shooting10 fps25 fps
Video Capture
Max Resolution1080p4K
1080p RecordingUp to 60pUp to 120p
10-bit InternalNoYes
Headphone JackNoYes
Mic InputNoYes
Focus
Phase Detect Points81121
Low Light AF-2 EV-6 EV
Eye AFNoYes
Animal AFNoYes
Viewfinder
EVF Magnification0.74x0.83x
Monitor
LCD TypeTiltingVari-Angle
Touch ScreenNoYes
Interface
Bluetoothv4.0v4.2
USBMicro USB 3.0USB-C 3.0
Memory Card Slots1x SD UHS-I2x SD UHS-II
General
Price (MSRP)$1,299$1,799
Dimensions130.4×93.5×63.1 mm134.1×91.9×68.9 mm
Weight443g (15.6 oz)504g (1.11 lb)
Battery Life (EVF)350 shots420 shots
Battery Life (LCD)350 shots420 shots
Battery TypeBLN-1BLH-1

What stayed the same (20 items)

Everything below is identical on both bodies — if these are what you buy a camera for, the OM System OM-D E-M1 already has them.

Sensor Type: Live MOSSensor Size: Micro Four ThirdsLens Mount: Micro Four ThirdsISO Range (Native): 200 – 25600Mechanical Shutter: 1/8000Flash Sync Speed: 1/250Built-in Flash: NoRecording Limit: No limitBuilt-in Mic: StereoHDMI Output: Micro (Type D)Vehicle AF: NoEVF Type: OLEDEVF Resolution: 2.36M dotsLCD Size: 3"LCD Resolution: 1.04M dotsWi-Fi: Wi-Fi 5GPS: NoBody Material: Magnesium AlloyWeather Sealed: YesIn-Body Stabilization: Yes

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OM System OM-D E-M1 (keep or buy used)

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OM System OM-D E-M1 Mark III

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Frequently asked

Is it worth upgrading from the OM System OM-D E-M1 to the OM System OM-D E-M1 Mark III?

The OM System OM-D E-M1 Mark III is 2 generations newer to your OM System OM-D E-M1, released 7 years later. Across the full spec sheet it improves 14 items and steps back on 2. The changes that matter most: burst jumps from 10fps to 25fps; resolution rises from 16.3MP to 20.4MP; 4K video arrives. The OM System OM-D E-M1 Mark III lists at $1,799 (the OM System OM-D E-M1 launched at $1,299, and older bodies typically sell for well under launch price on the used market). If several of the gains below map to how you shoot, this is a substantial step up; if none do, your current body keeps doing everything it does today.

What are the biggest improvements of the OM System OM-D E-M1 Mark III over the OM System OM-D E-M1?

Across the spec sheet the OM System OM-D E-M1 Mark III improves 14 items. The most significant: 25fps burst plus dedicated subject-tracking AF keeps up with fast, erratic movement where 10fps would drop frames. it brings 10-bit internal colour, Log for gradable footage and both mic and headphone jacks for monitored audio. the fully-articulating screen flips to face you and there's a mic input for clean audio. AF that focuses down to -6 EV gives it the edge after dark.

What does the OM System OM-D E-M1 still do just as well as the OM System OM-D E-M1 Mark III?

20 spec items are identical between the two, including sensor type (Live MOS), sensor size (Micro Four Thirds), lens mount (Micro Four Thirds), iso range (native) (200 – 25600), mechanical shutter (1/8000), flash sync speed (1/250). If those cover your needs, the older body remains fully capable.

Does the OM System OM-D E-M1 Mark III give anything up compared to the OM System OM-D E-M1?

Yes — 2 items on the spec sheet move the other way: price (msrp) ($1,299 → $1,799), weight (443g (15.6 oz) → 504g (1.11 lb)).

Full side-by-side spec table →OM System OM-D E-M1 Mark III full specs →