Clicky

OM System OM-1 vs Olympus E-M1 III

Portability
65
Imaging
63
Features
96
Overall
76
OM System OM-1 front
 
Olympus OM-D E-M1 Mark III front
Portability
67
Imaging
61
Features
96
Overall
75

OM System OM-1 vs Olympus E-M1 III Key Specs

OM System OM-1
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3.00" Fully Articulated Screen
  • ISO 200 - 25600 (Push to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 599g - 135 x 92 x 73mm
  • Released February 2022
Olympus E-M1 III
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Launched February 2020
  • Succeeded the Olympus E-M1 II
Photography Glossary

OM System OM-1 vs Olympus E-M1 III Overview

In this write-up, we are looking at the OM System OM-1 vs Olympus E-M1 III, both Pro Mirrorless digital cameras and they are both produced by Olympus. The resolution of the OM System OM-1 (20MP) and the E-M1 III (20MP) is fairly well matched and they possess the same exact sensor sizing (Four Thirds).

Meta to Introduce 'AI-Generated' Labels for Media starting next month

The OM System OM-1 was revealed 2 years later than the E-M1 III and that is quite a sizable gap as far as technology is concerned. Both the cameras offer the identical body type (SLR-style mirrorless).

Before going straight into a in depth comparison, below is a brief synopsis of how the OM System OM-1 matches up versus the E-M1 III with regard to portability, imaging, features and an overall rating.

Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

        

Reasons to pick OM System OM-1 over the Olympus E-M1 III

 OM System OM-1 E-M1 III 
LaunchedFebruary 2022February 2020Fresher by 25 months
Display resolution1620k1037kClearer display (+583k dot)

Reasons to pick Olympus E-M1 III over the OM System OM-1

 E-M1 III OM System OM-1 

Common features in the OM System OM-1 and Olympus E-M1 III

 OM System OM-1 E-M1 III 
Manual focus Dial precise focus
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display sizing3.00"3"Equivalent display measurement
Selfie screen Both good for selfies
Touch display Easily navigate

OM System OM-1 vs Olympus E-M1 III Physical Comparison

When you are intending to carry your camera, you're going to have to factor its weight and volume. The OM System OM-1 has got physical dimensions of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") with a weight of 599 grams (1.32 lbs) and the Olympus E-M1 III has sizing of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs).

Examine the OM System OM-1 vs Olympus E-M1 III in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at that moment. Here is the front view measurement comparison of the OM System OM-1 compared to the E-M1 III.

OM System OM-1 vs Olympus E-M1 III size comparison

Considering dimensions and weight, the portability grade of the OM System OM-1 and E-M1 III is 65 and 67 respectively.

OM System OM-1 vs Olympus E-M1 III top view buttons comparison

OM System OM-1 vs Olympus E-M1 III Sensor Comparison

Typically, it's hard to visualize the contrast between sensor sizing simply by checking technical specs. The graphic underneath might offer you a better sense of the sensor dimensions in the OM System OM-1 and E-M1 III.

As you have seen, both of those cameras enjoy the same exact sensor sizing and the identical MP and you should expect similar quality of pictures although you should really take the production date of the products into consideration. The newer OM System OM-1 should have an advantage with regard to sensor innovation.

OM System OM-1 vs Olympus E-M1 III sensor size comparison

OM System OM-1 vs Olympus E-M1 III Screen and ViewFinder

OM System OM-1 vs Olympus E-M1 III Screen and Viewfinder comparison
Samsung Releases Faster Versions of EVO MicroSD Cards

Photography Type Scores

Portrait Comparison

OM System OM-1 Portrait photography details
Olympus E-M1 III Portrait photography details
77
focusing manually
decent sensor resolution (20MP)
decent sensor size (Four Thirds)
has face detect focusing
saves RAW files
76
has manual focus
MP count decent (20MP)
sensor size is decent (Four Thirds)
supports face detection focusing
exports RAW files
Pentax 17 Pre-Orders Outperform Expectations by a Landslide

Street Comparison

OM System OM-1 Street photography info
Olympus E-M1 III Street photography info
77
screen articulates
built in image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
saves RAW files
provides touch to focus
environment sealing
very good high ISO (25,600)
78
screen articulates
image stabilization (Sensor based 5-axis)
sensor size is decent (Four Thirds)
exports RAW files
has touch focus
weather proof
above average ISO range (25,600)
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

Sports Comparison

OM System OM-1 Sports photography features
Olympus E-M1 III Sports photography features
81
high shutter speed (1/8,000s)
silent shutter (1/32,000s)
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (20MP)
decent sensor size (Four Thirds)
has tracking focus
environment sealing
good battery (520 shots)
comes with phase detect AF
80
high shutter speed (1/8,000s)
silent mode (1/32,000s)
high fps (60.0 frames/s)
image stabilization (Sensor based 5-axis)
MP count decent (20 megapixels)
sensor size is decent (Four Thirds)
supports tracking autofocus
weather proof
has phase detect AF
President Biden pushes bill mandating TikTok sale or ban

Travel Comparison

OM System OM-1 Travel photography information
Olympus E-M1 III Travel photography information
78
good battery (520 per charge)
environment sealing
supports bluetooth
provides touch to focus
decent sensor resolution (20 megapixels)
selfie friendly screen
79
weather proof
supports bluetooth
has touch focus
MP count decent (20 megapixels)
selfie friendly display
Photobucket discusses licensing 13 billion images with AI firms

Landscape Comparison

OM System OM-1 as a Landscape photography camera
Olympus E-M1 III as a Landscape photography camera
81
focusing manually
swap lenses (Micro Four Thirds mount)
screen is a decent size (3.00")
built in image stabilization (Sensor based 5-axis)
decent sensor resolution (20 megapixels)
decent sensor size (Four Thirds)
does not have anti-alias filter
very good high ISO (25,600)
saves RAW files
environment sealing
good battery (520 shots)
has double storage slots
81
has manual focus
swap lenses (Micro Four Thirds mount)
screen size is good (3 inch)
image stabilization (Sensor based 5-axis)
MP count decent (20 megapixels)
sensor size is decent (Four Thirds)
no low pass filter
above average ISO range (25,600)
exports RAW files
weather proof
two card slots
Snapchat Adds Watermarks to AI-Created Images

Vlogging Comparison

OM System OM-1 as a Vlogging camera
Olympus E-M1 III as a Vlogging camera
78
selfie friendly screen
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
has face detect focusing
high quality video (4096 x 2160 resolution)
does have mic port
79
selfie friendly display
built-in touchscreen
image stabilization (Sensor based 5-axis)
supports face detection focusing
video resolution high (4096 x 2160 pxls)
has external mic socket
Sora from OpenAI releases its first ever music video

OM System OM-1 vs Olympus E-M1 III Specifications

Detailed spec comparison table for OM System OM-1 and Olympus E-M1 III
 OM System OM-1Olympus OM-D E-M1 Mark III
General Information
Brand Olympus Olympus
Model OM System OM-1 Olympus OM-D E-M1 Mark III
Type Pro Mirrorless Pro Mirrorless
Released 2022-02-15 2020-02-11
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip - TruePic IX
Sensor type Stacked BSI Live MOS Sensor CMOS
Sensor size Four Thirds Four Thirds
Sensor dimensions 17.4 x 13mm 17.4 x 13mm
Sensor surface area 226.2mm² 226.2mm²
Sensor resolution 20 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 4:3 4:3
Maximum resolution 5184 x 3888 5184 x 3888
Maximum native ISO 25600 25600
Maximum boosted ISO 102400 -
Lowest native ISO 200 200
RAW images
Lowest boosted ISO 80 64
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 1053 121
Cross focus points 1053 121
Lens
Lens mounting type Micro Four Thirds Micro Four Thirds
Amount of lenses 118 107
Crop factor 2.1 2.1
Screen
Type of screen Fully Articulated Fully Articulated
Screen size 3.00 inches 3 inches
Screen resolution 1,620 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 5,760 thousand dots 2,360 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.83x 0.74x
Features
Lowest shutter speed 60s 60s
Highest shutter speed 1/8000s 1/8000s
Highest silent shutter speed 1/32000s 1/32000s
Continuous shooting rate 10.0 frames per second 60.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash no built-in flash
Flash settings Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual
Hot shoe
AE bracketing
White balance bracketing
Highest flash synchronize 1/250s 1/250s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 25p / 102 Mbps, MOV, H.264, Linear PCM3840 x 2160 @ 23.98p / 102 Mbps, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 50p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 25p, MOV, H.264, Linear PCM1920 x 1080 @ 23.98p, MOV, H.264, Linear PCM
Maximum video resolution 4096x2160 4096x2160
Video file format MPEG-4, H.264, H.265, HEVC MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 3.1 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 599 grams (1.32 lb) 580 grams (1.28 lb)
Dimensions 135 x 92 x 73mm (5.3" x 3.6" x 2.9") 134 x 91 x 69mm (5.3" x 3.6" x 2.7")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 520 shots 420 shots
Battery type Battery Pack Battery Pack
Battery model BLX-1 BLH-1
Self timer Yes (2 or 12 secs, custom) Yes (2 or 12 secs, custom)
Time lapse shooting
Storage type Dual SD/SDHC/SDXC slots (UHS-II on first slot) Dual SD/SDHC/SDXC slots (UHS-II on first slot)
Card slots Two Two
Pricing at launch $2,199 $1,800