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Olympus E-M1 III vs Panasonic S1

Portability
67
Imaging
62
Features
96
Overall
75
Olympus OM-D E-M1 Mark III front
 
Panasonic Lumix DC-S1 front
Portability
54
Imaging
75
Features
84
Overall
78

Olympus E-M1 III vs Panasonic S1 Key Specs

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 Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 580g - 134 x 91 x 69mm
  • Announced February 2020
  • Old Model is Olympus E-M1 II
Panasonic S1
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Tilting Display
  • ISO 100 - 51200 (Raise to 204800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 1021g - 149 x 110 x 97mm
  • Released February 2019
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Olympus E-M1 III vs Panasonic S1 Overview

The following is a in-depth assessment of the Olympus E-M1 III vs Panasonic S1, both Pro Mirrorless cameras by competitors Olympus and Panasonic. The resolution of the E-M1 III (20MP) and the S1 (24MP) is very close but the E-M1 III (Four Thirds) and S1 (Full frame) come with totally different sensor dimensions.

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The E-M1 III was unveiled 13 months after the S1 making the cameras a generation away from each other. Both cameras offer the identical body type (SLR-style mirrorless).

Before delving straight into a complete comparison, below is a simple highlight of how the E-M1 III grades against the S1 with respect to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-M1 III over the Panasonic S1

 E-M1 III S1 
ReleasedFebruary 2020February 2019Newer by 13 months
Display typeFully ArticulatedTiltingFully Articulating display
Selfie screen Easy selfies

Reasons to pick Panasonic S1 over the Olympus E-M1 III

 S1 E-M1 III 
Display sizing3.2"3"Larger display (+0.2")
Display resolution2100k1037kSharper display (+1063k dot)

Common features in the Olympus E-M1 III and Panasonic S1

 E-M1 III S1 
Manually focus More exact focus
Touch display Easily navigate

Olympus E-M1 III vs Panasonic S1 Physical Comparison

When you are aiming to travel with your camera, you will need to factor in its weight and dimensions. The Olympus E-M1 III comes with external measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Panasonic S1 has dimensions of 149mm x 110mm x 97mm (5.9" x 4.3" x 3.8") accompanied by a weight of 1021 grams (2.25 lbs).

Analyze the Olympus E-M1 III vs Panasonic S1 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that time. Below is the front view measurements comparison of the E-M1 III vs the S1.

Olympus E-M1 III vs Panasonic S1 size comparison

Taking into account size and weight, the portability grade of the E-M1 III and S1 is 67 and 54 respectively.

Olympus E-M1 III vs Panasonic S1 top view buttons comparison

Olympus E-M1 III vs Panasonic S1 Sensor Comparison

In many cases, it is hard to visualise the gap in sensor dimensions merely by looking through specifications. The image underneath should offer you a more clear sense of the sensor measurements in the E-M1 III and S1.

Plainly, the 2 cameras enjoy different megapixel count and different sensor dimensions. The E-M1 III having a smaller sensor will make achieving bokeh tougher and the Panasonic S1 will result in greater detail having an extra 4 Megapixels. Greater resolution will help you crop photos far more aggressively. The fresher E-M1 III is going to have an edge in sensor tech.

Olympus E-M1 III vs Panasonic S1 sensor size comparison

Olympus E-M1 III vs Panasonic S1 Screen and ViewFinder

Olympus E-M1 III vs Panasonic S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-M1 III
Portrait photography with Panasonic S1
77
focusing manually
megapixel count decent (20MP)
good sensor size (Four Thirds)
offers face detect focusing
exports RAW files
85
you can focus manually
high flash sync (1/320s)
good megapixels (24MP)
sensor size is large (Full frame)
includes face detection autofocus
delivers RAW files
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Street Comparison

Olympus E-M1 III as a Street photography camera
Panasonic S1 as a Street photography camera
78
screen can move to multiple angles
built in image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
exports RAW files
provides touch focus
weather proof
above average high ISO (25,600)
70
screen tilts
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
provides focus via touch
environment proofing
good ISO range (51,200)
heavier than competitors in class (1,021g)
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Sports Comparison

Olympus E-M1 III Sports photography info
Panasonic S1 Sports photography info
81
max shutter speed is good (1/8,000 seconds)
silent shutter (1/32,000 seconds)
fast continuous shooting (60.0 fps)
built in image stabilization (Sensor based 5-axis)
megapixel count decent (20 megapixels)
good sensor size (Four Thirds)
offers tracking focus
weather proof
comes with phase detect AF
76
high shutter speed (1/8,000 seconds)
quiet shooting (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
good megapixels (24 megapixels)
sensor size is large (Full frame)
includes tracking autofocus
environment proofing
low battery life (380 per charge)
lacks phase detect autofocus
Photography Glossary

Travel Comparison

Olympus E-M1 III as a Travel photography camera
Panasonic S1 as a Travel photography camera
79
weather proof
has bluetooth
provides touch focus
megapixel count decent (20MP)
selfie friendly screen
59
environment proofing
connects via bluetooth
provides focus via touch
good megapixels (24MP)
low battery life (380 CIPA)
heavier than competitors in class (1,021 grams)
does not have selfie friendly display
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Landscape Comparison

Olympus E-M1 III Landscape photography highlights
Panasonic S1 Landscape photography highlights
81
focusing manually
change lenses (Micro Four Thirds mount)
nice screen size (3 inches)
built in image stabilization (Sensor based 5-axis)
megapixel count decent (20MP)
good sensor size (Four Thirds)
no anti aliasing filter
above average high ISO (25,600)
exports RAW files
weather proof
two card slots
81
you can focus manually
interchangeable lenses (Leica L mount)
screen size is good (3.2 inch)
image stabilization (Sensor based 5-axis)
good megapixels (24MP)
sensor size is large (Full frame)
doesnt have anti aliasing filter
good ISO range (51,200)
delivers RAW files
environment proofing
has dual storage slots
low battery life (380 per charge)
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Vlogging Comparison

Vlogging with Olympus E-M1 III
Vlogging with Panasonic S1
79
selfie friendly screen
touch screen
built in image stabilization (Sensor based 5-axis)
offers face detect focusing
video res high (4096 x 2160 pixels)
does have mic socket
32
built-in touchscreen
image stabilization (Sensor based 5-axis)
includes face detection autofocus
high quality video (3840 x 2160 pxls)
does have external mic jack
does not have selfie friendly display
heavier than competitors in class (1,021g)
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Olympus E-M1 III vs Panasonic S1 Specifications

Detailed spec comparison table for Olympus E-M1 III and Panasonic S1
 Olympus OM-D E-M1 Mark IIIPanasonic Lumix DC-S1
General Information
Make Olympus Panasonic
Model Olympus OM-D E-M1 Mark III Panasonic Lumix DC-S1
Class Pro Mirrorless Pro Mirrorless
Announced 2020-02-11 2019-02-01
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip TruePic IX Venus Engine
Sensor type CMOS CMOS
Sensor size Four Thirds Full frame
Sensor dimensions 17.4 x 13mm 35.6 x 23.8mm
Sensor area 226.2mm² 847.3mm²
Sensor resolution 20 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Peak resolution 5184 x 3888 6000 x 4000
Highest native ISO 25600 51200
Highest enhanced ISO - 204800
Lowest native ISO 200 100
RAW data
Lowest enhanced ISO 64 50
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 121 225
Cross focus points 121 -
Lens
Lens mounting type Micro Four Thirds Leica L
Amount of lenses 107 30
Focal length multiplier 2.1 1
Screen
Range of display Fully Articulated Tilting
Display diagonal 3" 3.2"
Display resolution 1,037 thousand dot 2,100 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360 thousand dot 5,760 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.74x 0.78x
Features
Minimum shutter speed 60s 60s
Fastest shutter speed 1/8000s 1/8000s
Fastest quiet shutter speed 1/32000s 1/8000s
Continuous shutter speed 60.0 frames per second 9.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash options Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync, Slow Sync w/Red-eye Reduction, Forced Off
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync 1/250s 1/320s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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 3840 x 2160 @ 60p / 150 Mbps, MP4, H.264, Linear PCM
Highest video resolution 4096x2160 3840x2160
Video format MPEG-4, H.264 MPEG-4, H.264, H.265
Mic input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) Yes (can be charged with high-power laptop/tablet chargers or portable power banks)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 580 grams (1.28 lb) 1021 grams (2.25 lb)
Dimensions 134 x 91 x 69mm (5.3" x 3.6" x 2.7") 149 x 110 x 97mm (5.9" x 4.3" x 3.8")
DXO scores
DXO Overall score not tested 95
DXO Color Depth score not tested 25.2
DXO Dynamic range score not tested 14.5
DXO Low light score not tested 3333
Other
Battery life 420 images 380 images
Battery format Battery Pack Battery Pack
Battery model BLH-1 -
Self timer Yes (2 or 12 secs, custom) Yes
Time lapse recording
Storage media Dual SD/SDHC/SDXC slots (UHS-II on first slot) -
Storage slots Dual Dual
Retail cost $1,800 $2,498