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Olympus E-P3 vs Panasonic S1

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Panasonic Lumix DMC-S1 front
Portability
96
Imaging
35
Features
21
Overall
29

Olympus E-P3 vs Panasonic S1 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
  • Earlier Model is Olympus E-P2
  • Successor is Olympus E-P5
Panasonic S1
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400
  • Optical Image Stabilization
  • 1280 x 720 video
  • 28-112mm (F3.1-5.6) lens
  • 117g - 99 x 59 x 21mm
  • Introduced January 2011
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Olympus E-P3 vs Panasonic S1 Overview

Let's take a deeper look at the Olympus E-P3 and Panasonic S1, one is a Entry-Level Mirrorless and the other is a Small Sensor Compact by brands Olympus and Panasonic. The image resolution of the E-P3 (12MP) and the S1 (12MP) is very comparable but the E-P3 (Four Thirds) and S1 (1/2.3") use totally different sensor dimensions.

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The E-P3 was released 8 months after the S1 which means that they are of a similar generation. Both of these cameras offer different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Panasonic S1 being a Compact camera.

Before diving in to a thorough comparison, below is a simple summary of how the E-P3 scores against the S1 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-P3 over the Panasonic S1

 E-P3 S1 
IntroducedAugust 2011January 2011Newer by 8 months
Focus manually Dial precise focusing
Display sizing3"2.7"Larger display (+0.3")
Display resolution614k230kCrisper display (+384k dot)
Touch display Easily navigate

Reasons to pick Panasonic S1 over the Olympus E-P3

 S1 E-P3 

Common features in the Olympus E-P3 and Panasonic S1

 E-P3 S1 
Display typeFixed Fixed Fixed display
Selfie screen Neither has selfie screen

Olympus E-P3 vs Panasonic S1 Physical Comparison

For those who are going to travel with your camera regularly, you should think about its weight and measurements. The Olympus E-P3 has physical dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") along with a weight of 369 grams (0.81 lbs) while the Panasonic S1 has proportions of 99mm x 59mm x 21mm (3.9" x 2.3" x 0.8") having a weight of 117 grams (0.26 lbs).

Contrast the Olympus E-P3 and Panasonic S1 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at that moment. Following is the front view scale comparison of the E-P3 against the S1.

Olympus E-P3 vs Panasonic S1 size comparison

Considering dimensions and weight, the portability grade of the E-P3 and S1 is 86 and 96 respectively.

Olympus E-P3 vs Panasonic S1 top view buttons comparison

Olympus E-P3 vs Panasonic S1 Sensor Comparison

Quite often, it is very difficult to see the difference in sensor dimensions just by going through specifications. The image underneath will help give you a greater sense of the sensor dimensions in the E-P3 and S1.

Plainly, both of those cameras offer the same exact megapixels but not the same sensor dimensions. The E-P3 has the larger sensor which should make obtaining shallower DOF simpler. The younger E-P3 will have an edge in sensor tech.

Olympus E-P3 vs Panasonic S1 sensor size comparison

Olympus E-P3 vs Panasonic S1 Screen and ViewFinder

Olympus E-P3 vs Panasonic S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 as a Portrait photography camera
Panasonic S1 as a Portrait photography camera
60
has manual focus
sensor size is decent (Four Thirds)
provides face detect focus
exports RAW formats
low MP (12 megapixels)
21
focusing manually not possible
lack of manual mode
can't use external flash
resolution not great (12 megapixels)
tiny sensor (1/2.3")
lacks RAW files
Photography Glossary

Street Comparison

Olympus E-P3 Street photography details
Panasonic S1 Street photography details
76
has image stabilization (Sensor based)
sensor size is decent (Four Thirds)
exports RAW formats
comes with touch to focus
no moving screen
63
image stabilization (Optical)
lighter than competition in class (117 grams)
fixed screen
tiny sensor (1/2.3")
lacks RAW files
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Sports Comparison

Olympus E-P3 Sports photography advice
Panasonic S1 Sports photography advice
49
has image stabilization (Sensor based)
sensor size is decent (Four Thirds)
provides tracking focus
slow fps (3.0 fps)
low MP (12 megapixels)
doesn't have phase detect auto focus
27
image stabilization (Optical)
lack of shutter priority mode
resolution not great (12MP)
tiny sensor (1/2.3")
lacks phase detect auto focus
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Travel Comparison

Olympus E-P3 as a Travel photography camera
Panasonic S1 as a Travel photography camera
60
comes with touch to focus
has built in flash
does not have Time Lapse recording
low MP (12 megapixels)
doesn't feature selfie friendly screen
62
lighter than competition in class (117 grams)
built-in flash
quite wide (28mm)
lack of Timelapse mode
resolution not great (12MP)
doesn't offer selfie friendly display
slow maximum aperture (f3.1)
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Landscape Comparison

Landscape photography with Olympus E-P3
Landscape photography with Panasonic S1
65
has manual focus
change lenses (Micro Four Thirds mount)
nice screen size (3 inches)
has image stabilization (Sensor based)
sensor size is decent (Four Thirds)
exports RAW formats
low MP (12MP)
does not have Time Lapse recording
32
quite wide (28mm)
image stabilization (Optical)
focusing manually not possible
can't change lens (fixed lens mount)
slow maximum aperture (f3.1)
screen is somewhat small (2.7 inches)
lack of manual mode
resolution not great (12MP)
tiny sensor (1/2.3")
lacks RAW files
lack of Timelapse mode
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Vlogging Comparison

Olympus E-P3 Vlogging advice
Panasonic S1 Vlogging advice
35
touchscreen functionality
has image stabilization (Sensor based)
provides face detect focus
high res video (1920 x 1080 pxls)
doesn't feature selfie friendly screen
does not have mic jack
31
quite wide (28mm)
image stabilization (Optical)
lighter than competition in class (117 grams)
slow maximum aperture (f3.1)
doesn't offer selfie friendly display
low quality video (1280 x 720 resolution)
lack of microphone support
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Olympus E-P3 vs Panasonic S1 Specifications

Detailed spec comparison table for Olympus E-P3 and Panasonic S1
 Olympus PEN E-P3Panasonic Lumix DMC-S1
General Information
Manufacturer Olympus Panasonic
Model type Olympus PEN E-P3 Panasonic Lumix DMC-S1
Type Entry-Level Mirrorless Small Sensor Compact
Launched 2011-08-17 2011-01-05
Physical type Rangefinder-style mirrorless Compact
Sensor Information
Processor Chip TruePic VI Venus Engine IV
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.08 x 4.56mm
Sensor area 224.9mm² 27.7mm²
Sensor resolution 12 megapixel 12 megapixel
Anti alias filter
Aspect ratio 4:3 4:3, 3:2 and 16:9
Maximum resolution 4032 x 3024 4000 x 3000
Maximum native ISO 12800 6400
Lowest native ISO 100 100
RAW files
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 35 11
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 28-112mm (4.0x)
Maximal aperture - f/3.1-5.6
Macro focusing range - 5cm
Total lenses 107 -
Focal length multiplier 2.1 5.9
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches 2.7 inches
Display resolution 614k dots 230k dots
Selfie friendly
Liveview
Touch friendly
Display tech 3:2 OLED with Anti-Fingerprint Coating TFT LCD
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Lowest shutter speed 60 seconds 8 seconds
Highest shutter speed 1/4000 seconds 1/1600 seconds
Continuous shooting rate 3.0 frames per second -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash distance 10.00 m (@ ISO 200) 3.30 m
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, On, Off, Red-Eye reduction
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1280 x 720 (30fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution 1920x1080 1280x720
Video data format AVCHD, Motion JPEG 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 369 gr (0.81 lbs) 117 gr (0.26 lbs)
Dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 99 x 59 x 21mm (3.9" x 2.3" x 0.8")
DXO scores
DXO All around rating 51 not tested
DXO Color Depth rating 20.8 not tested
DXO Dynamic range rating 10.1 not tested
DXO Low light rating 536 not tested
Other
Battery life 330 photographs 240 photographs
Battery style Battery Pack Battery Pack
Battery ID BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC card SD/SDHC/SDXC, Internal
Card slots One One
Retail price $0 $269