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Olympus E-P3 vs Panasonic G1

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Panasonic Lumix DMC-G1 front
Portability
82
Imaging
46
Features
50
Overall
47

Olympus E-P3 vs Panasonic G1 Key Specs

Olympus E-P3
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 369g - 122 x 69 x 34mm
  • Launched August 2011
  • Superseded the Olympus E-P2
  • Newer Model is Olympus E-P5
Panasonic G1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 1600 (Raise to 3200)
  • No Video
  • Micro Four Thirds Mount
  • 360g - 124 x 84 x 45mm
  • Revealed January 2009
  • Refreshed by Panasonic G2
Photography Glossary

Olympus E-P3 vs Panasonic G1 Overview

The following is a thorough analysis of the Olympus E-P3 vs Panasonic G1, both Entry-Level Mirrorless cameras by brands Olympus and Panasonic. The image resolution of the E-P3 (12MP) and the G1 (12MP) is fairly comparable and they use the same exact sensor size (Four Thirds).

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The E-P3 was announced 2 years after the G1 which is a fairly significant gap as far as camera tech is concerned. The two cameras offer different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Panasonic G1 being a SLR-style mirrorless camera.

Before we go straight into a more detailed comparison, below is a concise introduction of how the E-P3 grades vs the G1 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-P3 over the Panasonic G1

 E-P3 G1 
RevealedAugust 2011January 2009Newer by 32 months
Display resolution614k460kCrisper display (+154k dot)
Touch display Easily navigate

Reasons to pick Panasonic G1 over the Olympus E-P3

 G1 E-P3 
Display typeFully ArticulatedFixed Fully Articulating display
Selfie screen Easy selfies

Common features in the Olympus E-P3 and Panasonic G1

 E-P3 G1 
Manually focus Dial accurate focus
Display sizing3"3"Equivalent display size

Olympus E-P3 vs Panasonic G1 Physical Comparison

If you are aiming to travel with your camera frequently, you need to factor its weight and measurements. The Olympus E-P3 has physical measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") accompanied by a weight of 369 grams (0.81 lbs) whilst the Panasonic G1 has proportions of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") and a weight of 360 grams (0.79 lbs).

Compare the Olympus E-P3 vs Panasonic G1 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you select during that time. Here is the front view sizing comparison of the E-P3 and the G1.

Olympus E-P3 vs Panasonic G1 size comparison

Factoring in size and weight, the portability grade of the E-P3 and G1 is 86 and 82 respectively.

Olympus E-P3 vs Panasonic G1 top view buttons comparison

Olympus E-P3 vs Panasonic G1 Sensor Comparison

In many cases, it is very tough to envision the gap in sensor dimensions only by seeing technical specs. The picture here may give you a more clear sense of the sensor measurements in the E-P3 and G1.

As you can tell, each of these cameras enjoy the same exact sensor sizing and the same exact resolution and you should expect comparable quality of files but you should really consider the release date of the cameras into account. The more modern E-P3 is going to have an advantage in sensor tech.

Olympus E-P3 vs Panasonic G1 sensor size comparison

Olympus E-P3 vs Panasonic G1 Screen and ViewFinder

Olympus E-P3 vs Panasonic G1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 Portrait photography highlights
Panasonic G1 Portrait photography highlights
60
manual focus
sensor size is decent (Four Thirds)
features face detection focus
delivers RAW files
low MP (12MP)
57
has manual focus
decent sensor size (Four Thirds)
delivers RAW files
low megapixels (12 megapixels)
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Street Comparison

Olympus E-P3 Street photography information
Panasonic G1 Street photography information
76
image stabilization (Sensor based)
sensor size is decent (Four Thirds)
delivers RAW files
has touch focus
no moving screen
72
screen articulates fully
decent sensor size (Four Thirds)
delivers RAW files
no image stabilization
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Sports Comparison

Olympus E-P3 Sports photography information
Panasonic G1 Sports photography information
49
image stabilization (Sensor based)
sensor size is decent (Four Thirds)
features tracking autofocus
continuous shooting slow (3.0 frames per second)
low MP (12 megapixels)
has no phase detect auto focus
33
decent sensor size (Four Thirds)
slow frames per second (3.0 fps)
no image stabilization
low megapixels (12 megapixels)
has no phase detect autofocus
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Travel Comparison

Olympus E-P3 Travel photography advice
Panasonic G1 Travel photography advice
60
has touch focus
has built in flash
does not have Timelapse function
low MP (12 megapixels)
display isn't selfie friendly
62
flash built-in
screen is selfie friendly
missing Timelapse mode
low megapixels (12 megapixels)
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Landscape Comparison

Olympus E-P3 as a Landscape photography camera
Panasonic G1 as a Landscape photography camera
65
manual focus
switch lenses (Micro Four Thirds mount)
pretty good screen size (3")
image stabilization (Sensor based)
sensor size is decent (Four Thirds)
delivers RAW files
low MP (12MP)
does not have Timelapse function
57
has manual focus
interchangeable lenses (Micro Four Thirds mount)
screen size is good (3 inches)
decent sensor size (Four Thirds)
delivers RAW files
no image stabilization
low megapixels (12MP)
missing Timelapse mode
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Vlogging Comparison

Olympus E-P3 Vlogging details
Panasonic G1 Vlogging details
35
has touchscreen
image stabilization (Sensor based)
features face detection focus
good video quality (1920 x 1080 pixels)
display isn't selfie friendly
does not have external microphone support
18
no video shooting
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Olympus E-P3 vs Panasonic G1 Specifications

Detailed spec comparison table for Olympus E-P3 and Panasonic G1
 Olympus PEN E-P3Panasonic Lumix DMC-G1
General Information
Brand Name Olympus Panasonic
Model Olympus PEN E-P3 Panasonic Lumix DMC-G1
Class Entry-Level Mirrorless Entry-Level Mirrorless
Launched 2011-08-17 2009-01-19
Physical type Rangefinder-style mirrorless SLR-style mirrorless
Sensor Information
Processor TruePic VI -
Sensor type CMOS CMOS
Sensor size Four Thirds Four Thirds
Sensor measurements 17.3 x 13mm 17.3 x 13mm
Sensor surface area 224.9mm² 224.9mm²
Sensor resolution 12MP 12MP
Anti aliasing filter
Aspect ratio 4:3 4:3, 3:2 and 16:9
Highest Possible resolution 4032 x 3024 4000 x 3000
Maximum native ISO 12800 1600
Maximum enhanced ISO - 3200
Minimum native ISO 100 100
RAW format
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 35 -
Lens
Lens mounting type Micro Four Thirds Micro Four Thirds
Available lenses 107 107
Focal length multiplier 2.1 2.1
Screen
Display type Fixed Type Fully Articulated
Display diagonal 3" 3"
Display resolution 614k dots 460k dots
Selfie friendly
Liveview
Touch screen
Display tech 3:2 OLED with Anti-Fingerprint Coating -
Viewfinder Information
Viewfinder Electronic (optional) Electronic
Viewfinder coverage - 100 percent
Features
Minimum shutter speed 60s 60s
Fastest shutter speed 1/4000s 1/4000s
Continuous shutter rate 3.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range 10.00 m (@ ISO 200) 10.50 m
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, On, Off, Red-Eye, Slow Sync
External flash
AE bracketing
WB bracketing
Fastest flash synchronize 1/180s 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) -
Maximum video resolution 1920x1080 None
Video file format AVCHD, Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 369 gr (0.81 lbs) 360 gr (0.79 lbs)
Dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 124 x 84 x 45mm (4.9" x 3.3" x 1.8")
DXO scores
DXO Overall score 51 53
DXO Color Depth score 20.8 21.1
DXO Dynamic range score 10.1 10.3
DXO Low light score 536 463
Other
Battery life 330 shots 330 shots
Style of battery Battery Pack Battery Pack
Battery model BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC card SD/MMC/SDHC card
Card slots Single Single
Cost at release $0 $0