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OM System OM-1 vs Panasonic G1

Portability
65
Imaging
63
Features
96
Overall
76
OM System OM-1 front
 
Panasonic Lumix DMC-G1 front
Portability
82
Imaging
46
Features
50
Overall
47

OM System OM-1 vs Panasonic G1 Key Specs

OM System OM-1
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3.00" Fully Articulated Display
  • ISO 200 - 25600 (Boost 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
  • Revealed February 2022
Panasonic G1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 1600 (Bump to 3200)
  • No Video
  • Micro Four Thirds Mount
  • 360g - 124 x 84 x 45mm
  • Announced January 2009
  • Refreshed by Panasonic G2
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OM System OM-1 vs Panasonic G1 Overview

Below, we are analyzing the OM System OM-1 versus Panasonic G1, one is a Pro Mirrorless and the other is a Entry-Level Mirrorless by companies Olympus and Panasonic. There is a big difference between the sensor resolutions of the OM System OM-1 (20MP) and G1 (12MP) but they feature the exact same sensor dimensions (Four Thirds).

Photography Glossary

The OM System OM-1 was brought out 13 years after the G1 which is quite a big gap as far as tech is concerned. Both cameras come with the identical body type (SLR-style mirrorless).

Before going in to a thorough comparison, below is a concise synopsis of how the OM System OM-1 scores versus the G1 with regard to portability, imaging, features and an overall mark.

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Reasons to pick OM System OM-1 over the Panasonic G1

 OM System OM-1 G1 
AnnouncedFebruary 2022January 2009Newer by 160 months
Display resolution1620k460kSharper display (+1160k dot)
Touch display Easily navigate

Reasons to pick Panasonic G1 over the OM System OM-1

 G1 OM System OM-1 

Common features in the OM System OM-1 and Panasonic G1

 OM System OM-1 G1 
Manual focus Very precise focusing
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display dimension3.00"3"Identical display sizing
Selfie screen Both are selfie friendly

OM System OM-1 vs Panasonic G1 Physical Comparison

In case you're going to travel with your camera often, you will want to consider its weight and volume. The OM System OM-1 offers external dimensions of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") accompanied by a weight of 599 grams (1.32 lbs) while the Panasonic G1 has sizing of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") along with a weight of 360 grams (0.79 lbs).

Take a look at the OM System OM-1 versus Panasonic G1 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at that moment. Following is the front view measurements comparison of the OM System OM-1 compared to the G1.

OM System OM-1 vs Panasonic G1 size comparison

Using size and weight, the portability score of the OM System OM-1 and G1 is 65 and 82 respectively.

OM System OM-1 vs Panasonic G1 top view buttons comparison

OM System OM-1 vs Panasonic G1 Sensor Comparison

Generally, its hard to visualize the gap between sensor dimensions only by reading through specifications. The pic below will offer you a stronger sense of the sensor dimensions in the OM System OM-1 and G1.

Plainly, the 2 cameras posses the exact same sensor measurements but different MP. You should expect to see the OM System OM-1 to give more detail having its extra 8MP. Greater resolution can also enable you to crop photos somewhat more aggressively. The younger OM System OM-1 should have an edge in sensor innovation.

OM System OM-1 vs Panasonic G1 sensor size comparison

OM System OM-1 vs Panasonic G1 Screen and ViewFinder

OM System OM-1 vs Panasonic G1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

OM System OM-1 as a Portrait photography camera
Panasonic G1 as a Portrait photography camera
77
focusing manually
decent megapixels (20 megapixels)
good sensor size (Four Thirds)
comes with face detection focusing
exports RAW formats
57
focusing manually
nice sensor size (Four Thirds)
exports RAW formats
resolution not great (12MP)
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Street Comparison

Street photography with OM System OM-1
Street photography with Panasonic G1
77
screen articulates
image stabilization (Sensor based 5-axis)
good sensor size (Four Thirds)
exports RAW formats
has touch to focus
environment sealing
above average high ISO (25,600)
72
screen articulates
nice sensor size (Four Thirds)
exports RAW formats
no image stabilization
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Sports Comparison

OM System OM-1 Sports photography factors
Panasonic G1 Sports photography factors
81
maximum shutter speed is high (1/8,000 seconds)
silent shutter (1/32,000 seconds)
image stabilization (Sensor based 5-axis)
decent megapixels (20 megapixels)
good sensor size (Four Thirds)
comes with tracking autofocus
environment sealing
good battery power (520 CIPA)
has phase detect AF
33
nice sensor size (Four Thirds)
max fps very slow (3.0 fps)
no image stabilization
resolution not great (12MP)
has no phase detect autofocus
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Travel Comparison

OM System OM-1 Travel photography factors
Panasonic G1 Travel photography factors
78
good battery power (520 per charge)
environment sealing
has bluetooth
has touch to focus
decent megapixels (20 megapixels)
screen is selfie friendly
62
has built in flash
selfie friendly display
doesn't have Timelapse mode
resolution not great (12 megapixels)
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Landscape Comparison

OM System OM-1 Landscape photography details
Panasonic G1 Landscape photography details
81
focusing manually
swap lenses (Micro Four Thirds mount)
screen size is decent (3.00")
image stabilization (Sensor based 5-axis)
decent megapixels (20 megapixels)
good sensor size (Four Thirds)
doesnt have low pass filter
above average high ISO (25,600)
exports RAW formats
environment sealing
good battery power (520 CIPA)
two card slots
57
focusing manually
switch lenses (Micro Four Thirds mount)
screen is a good size (3 inches)
nice sensor size (Four Thirds)
exports RAW formats
no image stabilization
resolution not great (12MP)
doesn't have Timelapse mode
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Vlogging Comparison

OM System OM-1 Vlogging factors
Panasonic G1 Vlogging factors
78
screen is selfie friendly
touchscreen capability
image stabilization (Sensor based 5-axis)
comes with face detection focusing
high video quality (4096 x 2160 resolution)
has external mic socket
18
no video shooting
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OM System OM-1 vs Panasonic G1 Specifications

Detailed spec comparison table for OM System OM-1 and Panasonic G1
 OM System OM-1Panasonic Lumix DMC-G1
General Information
Make Olympus Panasonic
Model type OM System OM-1 Panasonic Lumix DMC-G1
Class Pro Mirrorless Entry-Level Mirrorless
Revealed 2022-02-15 2009-01-19
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
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 12MP
Anti alias filter
Aspect ratio 4:3 4:3, 3:2 and 16:9
Maximum resolution 5184 x 3888 4000 x 3000
Maximum native ISO 25600 1600
Maximum boosted ISO 102400 3200
Lowest native ISO 200 100
RAW data
Lowest boosted ISO 80 -
Autofocusing
Manual focusing
Touch to focus
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 1053 -
Cross type focus points 1053 -
Lens
Lens support Micro Four Thirds Micro Four Thirds
Amount of lenses 118 107
Focal length multiplier 2.1 2.1
Screen
Type of display Fully Articulated Fully Articulated
Display sizing 3.00 inches 3 inches
Display resolution 1,620k dots 460k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 5,760k dots -
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.83x -
Features
Lowest shutter speed 60s 60s
Highest shutter speed 1/8000s 1/4000s
Highest quiet shutter speed 1/32000s -
Continuous shooting rate 10.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 10.50 m
Flash options Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual Auto, On, Off, Red-Eye, Slow Sync
External flash
AEB
WB bracketing
Highest flash synchronize 1/250s 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Maximum video resolution 4096x2160 None
Video format MPEG-4, H.264, H.265, HEVC -
Microphone port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 599g (1.32 pounds) 360g (0.79 pounds)
Dimensions 135 x 92 x 73mm (5.3" x 3.6" x 2.9") 124 x 84 x 45mm (4.9" x 3.3" x 1.8")
DXO scores
DXO All around rating not tested 53
DXO Color Depth rating not tested 21.1
DXO Dynamic range rating not tested 10.3
DXO Low light rating not tested 463
Other
Battery life 520 photos 330 photos
Form of battery Battery Pack Battery Pack
Battery ID BLX-1 -
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 sec)
Time lapse feature
Storage type Dual SD/SDHC/SDXC slots (UHS-II on first slot) SD/MMC/SDHC card
Card slots Two One
Cost at launch $2,199 $0