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OM System OM-1 vs Olympus E-M1

Portability
65
Imaging
63
Features
96
Overall
76
OM System OM-1 front
 
Olympus OM-D E-M1 front
Portability
71
Imaging
53
Features
85
Overall
65

OM System OM-1 vs Olympus E-M1 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 Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 599g - 135 x 92 x 73mm
  • Announced February 2022
Olympus E-M1
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 497g - 130 x 94 x 63mm
  • Announced October 2013
  • Later Model is Olympus E-M1 II
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OM System OM-1 vs Olympus E-M1 Overview

Lets look much closer at the OM System OM-1 and Olympus E-M1, both Pro Mirrorless digital cameras and both of them are produced by Olympus. There exists a substantial gap between the resolutions of the OM System OM-1 (20MP) and E-M1 (16MP) but both cameras have the same sensor sizes (Four Thirds).

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The OM System OM-1 was brought out 8 years later than the E-M1 and that is quite a big difference as far as technology is concerned. The two cameras have the same body design (SLR-style mirrorless).

Before we go into a in-depth comparison, here is a simple summation of how the OM System OM-1 scores vs the E-M1 with regards to portability, imaging, features and an overall grade.

Photography Glossary
	
	

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

 OM System OM-1 E-M1 
AnnouncedFebruary 2022October 2013More recent by 102 months
Screen typeFully ArticulatedTiltingFully Articulating screen
Screen resolution1620k1037kClearer screen (+583k dot)
Selfie screen Take selfies

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

 E-M1 OM System OM-1 

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

 OM System OM-1 E-M1 
Manually focus More precise focusing
Screen dimensions3.00"3"Equal screen dimensions
Touch screen Quickly navigate

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

When you are aiming to lug around your camera, you will need to factor its weight and measurements. The OM System OM-1 has got outside 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) while the Olympus E-M1 has proportions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") along with a weight of 497 grams (1.10 lbs).

Take a look at the OM System OM-1 and Olympus E-M1 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary depending on the lens you are employing at that time. Here is a front view scale comparison of the OM System OM-1 vs the E-M1.

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

Considering dimensions and weight, the portability score of the OM System OM-1 and E-M1 is 65 and 71 respectively.

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

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

Sometimes, it's tough to picture the gap between sensor measurements just by reading through technical specs. The photograph underneath will help offer you a clearer sense of the sensor sizing in the OM System OM-1 and E-M1.

As you can tell, both of those cameras have the same sensor dimensions albeit different resolution. You can count on the OM System OM-1 to resolve more detail having its extra 4 Megapixels. Higher resolution will help you crop shots a bit more aggressively. The younger OM System OM-1 should have a benefit with regard to sensor innovation.

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

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

OM System OM-1 vs Olympus E-M1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

OM System OM-1 Portrait photography factors
Olympus E-M1 Portrait photography factors
77
manual focus
megapixel count decent (20MP)
decent sensor size (Four Thirds)
includes face detect focus
delivers RAW files
71
has manual focus
flash sync speed is above average (1/320 seconds)
good MP (16MP)
sensor size is nice (Four Thirds)
features face detect focusing
supports RAW files
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Street Comparison

OM System OM-1 Street photography info
Olympus E-M1 Street photography info
77
screen can move to multiple angles
image stabilization (Sensor based 5-axis)
decent sensor size (Four Thirds)
delivers RAW files
boasts focus via touch
environment proof
good ISO range (25,600)
78
has a tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is nice (Four Thirds)
supports RAW files
has touch focus
weather proofing
lighter than others (497g)
above average ISO range (25,600)
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Sports Comparison

OM System OM-1 Sports photography info
Olympus E-M1 Sports photography info
81
high shutter speed (1/8,000s)
silent shooting (1/32,000s)
image stabilization (Sensor based 5-axis)
megapixel count decent (20 megapixels)
decent sensor size (Four Thirds)
includes tracking focus
environment proof
good battery life (520 CIPA)
sensor has phase detect auto focus
70
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based 5-axis)
good MP (16MP)
sensor size is nice (Four Thirds)
features tracking focus
weather proofing
has phase detect AF
low battery pack (350 CIPA)
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Travel Comparison

OM System OM-1 Travel photography details
Olympus E-M1 Travel photography details
78
good battery life (520 CIPA)
environment proof
connects via bluetooth
boasts focus via touch
megapixel count decent (20MP)
selfie friendly screen
65
lighter than others (497 grams)
weather proofing
has touch focus
good MP (16MP)
low battery pack (350 shots)
does not have a selfie friendly display
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Landscape Comparison

OM System OM-1 as a Landscape photography camera
Olympus E-M1 as a Landscape photography camera
81
manual focus
change lenses (Micro Four Thirds mount)
nice screen size (3.00 inches)
image stabilization (Sensor based 5-axis)
megapixel count decent (20 megapixels)
decent sensor size (Four Thirds)
does not have low pass filter
good ISO range (25,600)
delivers RAW files
environment proof
good battery life (520 shots)
has dual storage slots
73
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3 inch)
built in image stabilization (Sensor based 5-axis)
good MP (16MP)
sensor size is nice (Four Thirds)
above average ISO range (25,600)
supports RAW files
weather proofing
low battery pack (350 shots)
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Vlogging Comparison

OM System OM-1 Vlogging features
Olympus E-M1 Vlogging features
78
selfie friendly screen
built-in touchscreen
image stabilization (Sensor based 5-axis)
includes face detect focus
high res video (4096 x 2160 pxls)
includes mic jack
36
touch screen
built in image stabilization (Sensor based 5-axis)
features face detect focusing
video res high (1920 x 1080 pxls)
has mic socket
lighter than others (497 grams)
does not have a selfie friendly display
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OM System OM-1 vs Olympus E-M1 Specifications

Detailed spec comparison table for OM System OM-1 and Olympus E-M1
 OM System OM-1Olympus OM-D E-M1
General Information
Make Olympus Olympus
Model OM System OM-1 Olympus OM-D E-M1
Class Pro Mirrorless Pro Mirrorless
Announced 2022-02-15 2013-10-28
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor - TruePIC VII
Sensor type Stacked BSI Live MOS Sensor CMOS
Sensor size Four Thirds Four Thirds
Sensor dimensions 17.4 x 13mm 17.3 x 13mm
Sensor area 226.2mm² 224.9mm²
Sensor resolution 20MP 16MP
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Max resolution 5184 x 3888 4608 x 3456
Max native ISO 25600 25600
Max enhanced ISO 102400 -
Min native ISO 200 100
RAW pictures
Min enhanced ISO 80 -
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 1053 81
Cross focus points 1053 -
Lens
Lens mounting type Micro Four Thirds Micro Four Thirds
Available lenses 118 107
Crop factor 2.1 2.1
Screen
Type of display Fully Articulated Tilting
Display size 3.00 inches 3 inches
Resolution of display 1,620k dots 1,037k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 5,760k dots 2,360k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.83x 0.74x
Features
Min shutter speed 60s 60s
Max shutter speed 1/8000s 1/8000s
Max quiet shutter speed 1/32000s -
Continuous shutter rate 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash no built-in flash
Flash modes Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync (1st curtain), Slow sync (1st curtain), Slow sync (2nd curtain), Manual
Hot shoe
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/250s 1/320s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1920 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Max video resolution 4096x2160 1920x1080
Video format MPEG-4, H.264, H.265, HEVC H.264, Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 599g (1.32 lbs) 497g (1.10 lbs)
Physical dimensions 135 x 92 x 73mm (5.3" x 3.6" x 2.9") 130 x 94 x 63mm (5.1" x 3.7" x 2.5")
DXO scores
DXO Overall score not tested 73
DXO Color Depth score not tested 23.0
DXO Dynamic range score not tested 12.7
DXO Low light score not tested 757
Other
Battery life 520 photographs 350 photographs
Form of battery Battery Pack Battery Pack
Battery model BLX-1 BLN-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) SD/SDHC/SDXC
Card slots Two 1
Cost at release $2,199 $799