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OM System OM-1 vs Panasonic GH5S

Portability
65
Imaging
63
Features
96
Overall
76
OM System OM-1 front
 
Panasonic Lumix DC-GH5S front
Portability
62
Imaging
50
Features
82
Overall
62

OM System OM-1 vs Panasonic GH5S Key Specs

OM System OM-1
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3.00" Fully Articulated Display
  • ISO 200 - 25600 (Bump to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 599g - 135 x 92 x 73mm
  • Launched February 2022
Panasonic GH5S
(Full Review)
  • 10MP - Four Thirds Sensor
  • 3.2" Fully Articulated Display
  • ISO 160 - 51200 (Boost to 204800)
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 660g - 139 x 98 x 87mm
  • Announced January 2018
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OM System OM-1 vs Panasonic GH5S Overview

Below, we are looking at the OM System OM-1 vs Panasonic GH5S, both Pro Mirrorless digital cameras by brands Olympus and Panasonic. There exists a considerable gap between the resolutions of the OM System OM-1 (20MP) and GH5S (10MP) but they feature the exact same sensor sizing (Four Thirds).

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The OM System OM-1 was announced 4 years later than the GH5S and that is quite a large difference as far as technology is concerned. The two cameras come with the identical body type (SLR-style mirrorless).

Before getting straight into a thorough comparison, below is a simple highlight of how the OM System OM-1 matches up against the GH5S when considering portability, imaging, features and an overall grade.

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Reasons to pick OM System OM-1 over the Panasonic GH5S

 OM System OM-1 GH5S 
AnnouncedFebruary 2022January 2018More recent by 50 months

Reasons to pick Panasonic GH5S over the OM System OM-1

 GH5S OM System OM-1 
Display dimension3.2"3.00"Larger display (+0.2")

Common features in the OM System OM-1 and Panasonic GH5S

 OM System OM-1 GH5S 
Manually focus Dial exact focus
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display resolution1620k1620kIdentical display resolution
Selfie screen Both are selfie friendly
Touch display Easily navigate

OM System OM-1 vs Panasonic GH5S Physical Comparison

When you are aiming to lug around your camera, you need to factor its weight and proportions. The OM System OM-1 has external measurements of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") along with a weight of 599 grams (1.32 lbs) and the Panasonic GH5S has measurements of 139mm x 98mm x 87mm (5.5" x 3.9" x 3.4") and a weight of 660 grams (1.46 lbs).

Take a look at the OM System OM-1 vs Panasonic GH5S in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ depending on the lens you use at the time. Below is the front view over all size comparison of the OM System OM-1 compared to the GH5S.

OM System OM-1 vs Panasonic GH5S size comparison

Taking into account dimensions and weight, the portability rating of the OM System OM-1 and GH5S is 65 and 62 respectively.

OM System OM-1 vs Panasonic GH5S top view buttons comparison

OM System OM-1 vs Panasonic GH5S Sensor Comparison

Sometimes, its difficult to visualise the contrast between sensor measurements only by checking specifications. The photograph underneath may give you a better sense of the sensor measurements in the OM System OM-1 and GH5S.

Plainly, each of the cameras posses the exact same sensor measurements but not the same resolution. You can expect to see the OM System OM-1 to resolve more detail with its extra 10MP. Greater resolution will make it easier to crop photos somewhat more aggressively. The younger OM System OM-1 will have an edge in sensor innovation.

OM System OM-1 vs Panasonic GH5S sensor size comparison

OM System OM-1 vs Panasonic GH5S Screen and ViewFinder

OM System OM-1 vs Panasonic GH5S Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

OM System OM-1 Portrait photography factors
Panasonic GH5S Portrait photography factors
77
you can focus manually
good resolution (20 megapixels)
decent sensor size (Four Thirds)
features face detect autofocus
exports RAW files
62
focusing manually
good sensor size (Four Thirds)
provides face detection autofocus
saves RAW files
megapixel count low (10MP)
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Street Comparison

OM System OM-1 as a Street photography camera
Panasonic GH5S as a Street photography camera
77
fully articulated screen
has image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
exports RAW files
has focus by touch
weather proofing
great ISO range (25,600)
68
screen can move to multiple angles
good sensor size (Four Thirds)
saves RAW files
boasts focus via touch
weather proofing
very good ISO range (51,200)
lack of image stabilization
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Sports Comparison

OM System OM-1 Sports photography features
Panasonic GH5S Sports photography features
81
high shutter speed (1/8,000 seconds)
quiet shutter (1/32,000 seconds)
has image stabilization (Sensor based 5-axis)
good resolution (20 megapixels)
decent sensor size (Four Thirds)
features tracking focus
weather proofing
better than average battery power (520 per charge)
has phase detect autofocus
56
max shutter speed is good (1/8,000 seconds)
quiet shooting (1/16,000 seconds)
good sensor size (Four Thirds)
provides tracking autofocus
weather proofing
lack of image stabilization
megapixel count low (10MP)
does not have phase detect autofocus
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Travel Comparison

OM System OM-1 Travel photography advice
Panasonic GH5S Travel photography advice
78
better than average battery power (520 CIPA)
weather proofing
supports bluetooth
has focus by touch
good resolution (20 megapixels)
selfie friendly screen
61
weather proofing
supports bluetooth
boasts focus via touch
selfie friendly display
no Timelapse function
megapixel count low (10 megapixels)
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Landscape Comparison

OM System OM-1 as a Landscape photography camera
Panasonic GH5S as a Landscape photography camera
81
you can focus manually
switch lenses (Micro Four Thirds mount)
pretty good screen size (3.00 inches)
has image stabilization (Sensor based 5-axis)
good resolution (20 megapixels)
decent sensor size (Four Thirds)
does not have low pass filter
great ISO range (25,600)
exports RAW files
weather proofing
better than average battery power (520 per charge)
2 card slots
63
focusing manually
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3.2")
good sensor size (Four Thirds)
does not have low pass filter
very good ISO range (51,200)
saves RAW files
weather proofing
has double storage slots
lack of image stabilization
megapixel count low (10 megapixels)
no Timelapse function
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Vlogging Comparison

OM System OM-1 Vlogging highlights
Panasonic GH5S Vlogging highlights
78
selfie friendly screen
built-in touchscreen
has image stabilization (Sensor based 5-axis)
features face detect autofocus
video res high (4096 x 2160 pixels)
has microphone support
68
selfie friendly display
built-in touchscreen
provides face detection autofocus
great video quality (4096 x 2160 pxls)
includes external microphone port
lack of image stabilization
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OM System OM-1 vs Panasonic GH5S Specifications

Detailed spec comparison table for OM System OM-1 and Panasonic GH5S
 OM System OM-1Panasonic Lumix DC-GH5S
General Information
Brand Olympus Panasonic
Model OM System OM-1 Panasonic Lumix DC-GH5S
Category Pro Mirrorless Pro Mirrorless
Launched 2022-02-15 2018-01-08
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Powered by - Venus Engine 10
Sensor type Stacked BSI Live MOS Sensor CMOS
Sensor size Four Thirds Four Thirds
Sensor measurements 17.4 x 13mm 17.3 x 13mm
Sensor surface area 226.2mm² 224.9mm²
Sensor resolution 20MP 10MP
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Maximum resolution 5184 x 3888 3680 x 2760
Maximum native ISO 25600 51200
Maximum boosted ISO 102400 204800
Minimum native ISO 200 160
RAW data
Minimum boosted ISO 80 80
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 1053 225
Cross focus points 1053 -
Lens
Lens mount Micro Four Thirds Micro Four Thirds
Number of lenses 118 107
Crop factor 2.1 2.1
Screen
Range of display Fully Articulated Fully Articulated
Display sizing 3.00" 3.2"
Resolution of display 1,620k dot 1,620k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 5,760k dot 3,680k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.83x 0.76x
Features
Slowest shutter speed 60 secs 60 secs
Maximum shutter speed 1/8000 secs 1/8000 secs
Maximum quiet shutter speed 1/32000 secs 1/16000 secs
Continuous shooting speed 10.0 frames per sec 12.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt 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./Red-eye Reduction, Forced Off
Hot shoe
Auto exposure bracketing
WB bracketing
Maximum flash sync 1/250 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 4096 x 2160 @ 60p / 150 Mbps, MOV, H.264, Linear PCM
Maximum video resolution 4096x2160 4096x2160
Video file format MPEG-4, H.264, H.265, HEVC MPEG-4, H.264, H.265
Microphone jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 3.1
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 599g (1.32 lbs) 660g (1.46 lbs)
Dimensions 135 x 92 x 73mm (5.3" x 3.6" x 2.9") 139 x 98 x 87mm (5.5" x 3.9" x 3.4")
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 pictures 440 pictures
Battery form Battery Pack Battery Pack
Battery model BLX-1 DMW-BLF19
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 secs, 10 secs w/3 images)
Time lapse recording
Storage media Dual SD/SDHC/SDXC slots (UHS-II on first slot) Dual SD/SDHC/SDXC cards (UHS-II V60 cards supported)
Storage slots Two Two
Cost at launch $2,199 $2,498