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Olympus E-P3 vs Pentax WG-1 GPS

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Pentax Optio WG-1 GPS front
Portability
93
Imaging
37
Features
31
Overall
34

Olympus E-P3 vs Pentax WG-1 GPS 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
  • Announced August 2011
  • Older Model is Olympus E-P2
  • Replacement is Olympus E-P5
Pentax WG-1 GPS
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • 1280 x 720 video
  • 28-140mm (F3.5-5.5) lens
  • 167g - 116 x 59 x 29mm
  • Launched August 2011
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Olympus E-P3 vs Pentax WG-1 GPS Overview

Here, we will be reviewing the Olympus E-P3 versus Pentax WG-1 GPS, one is a Entry-Level Mirrorless and the latter is a Waterproof by competitors Olympus and Pentax. The sensor resolution of the E-P3 (12MP) and the WG-1 GPS (14MP) is pretty well matched but the E-P3 (Four Thirds) and WG-1 GPS (1/2.3") have totally different sensor measurements.

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The E-P3 was manufactured very close to the WG-1 GPS which means that they are of a similar generation. Both of these cameras feature different body design with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax WG-1 GPS being a Compact camera.

Before we go into a thorough comparison, here is a concise synopsis of how the E-P3 matches up vs the WG-1 GPS when considering portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-P3 over the Pentax WG-1 GPS

 E-P3 WG-1 GPS 
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution614k230kCrisper screen (+384k dot)
Touch screen Quickly navigate

Reasons to pick Pentax WG-1 GPS over the Olympus E-P3

 WG-1 GPS E-P3 

Common features in the Olympus E-P3 and Pentax WG-1 GPS

 E-P3 WG-1 GPS 
LaunchedAugust 2011August 2011Similar generation
Focus manually Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither features selfie screen

Olympus E-P3 vs Pentax WG-1 GPS Physical Comparison

For anybody who is looking to travel with your camera, you will have to take into account its weight and volume. The Olympus E-P3 enjoys outer dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") with a weight of 369 grams (0.81 lbs) while the Pentax WG-1 GPS has sizing of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") and a weight of 167 grams (0.37 lbs).

Examine the Olympus E-P3 versus Pentax WG-1 GPS in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at that moment. Underneath is a front view measurement comparison of the E-P3 compared to the WG-1 GPS.

Olympus E-P3 vs Pentax WG-1 GPS size comparison

Factoring in size and weight, the portability grade of the E-P3 and WG-1 GPS is 86 and 93 respectively.

Olympus E-P3 vs Pentax WG-1 GPS top view buttons comparison

Olympus E-P3 vs Pentax WG-1 GPS Sensor Comparison

In many cases, it's tough to visualise the gap between sensor dimensions just by looking at specifications. The pic underneath should provide you a much better sense of the sensor sizes in the E-P3 and WG-1 GPS.

Plainly, both of the cameras come with different resolutions and different sensor dimensions. The E-P3 due to its bigger sensor will make achieving shallow DOF less difficult and the Pentax WG-1 GPS will resolve greater detail due to its extra 2MP. Higher resolution will also help you crop shots a good deal more aggressively.

Olympus E-P3 vs Pentax WG-1 GPS sensor size comparison

Olympus E-P3 vs Pentax WG-1 GPS Screen and ViewFinder

Olympus E-P3 vs Pentax WG-1 GPS Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 Portrait photography advice
Pentax WG-1 GPS Portrait photography advice
60
you can focus manually
good sensor size (Four Thirds)
has face detection focus
supports RAW files
sensor resolution not great (12 megapixels)
35
has manual focus
megapixel count good (14MP)
lack of manual mode
cannot use external flash
very small sensor size (1/2.3")
lack of RAW support
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Street Comparison

Olympus E-P3 as a Street photography camera
Pentax WG-1 GPS as a Street photography camera
76
image stabilization (Sensor based)
good sensor size (Four Thirds)
supports RAW files
has touch focus
screen is fixed
54
environment sealing
fixed screen
does not have image stabilization
very small sensor size (1/2.3")
lack of RAW support
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Sports Comparison

Olympus E-P3 Sports photography details
Pentax WG-1 GPS Sports photography details
49
image stabilization (Sensor based)
good sensor size (Four Thirds)
has tracking autofocus
low fps (3.0 frames per second)
sensor resolution not great (12MP)
does not have phase detect auto focus
37
megapixel count good (14MP)
includes tracking autofocus
environment sealing
very slow continuous shooting (1.0 frames per second)
no shutter priority
does not have image stabilization
very small sensor size (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Travel photography with Olympus E-P3
Travel photography with Pentax WG-1 GPS
60
has touch focus
has built in flash
no Time Lapse recording
sensor resolution not great (12 megapixels)
screen isn't selfie friendly
71
environment sealing
megapixel count good (14MP)
built-in flash
decently wide (28mm)
display is not selfie friendly
slow maximum aperture (f3.5)
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Landscape Comparison

Olympus E-P3 as a Landscape photography camera
Pentax WG-1 GPS as a Landscape photography camera
65
you can focus manually
change lenses (Micro Four Thirds mount)
screen is a decent size (3 inches)
image stabilization (Sensor based)
good sensor size (Four Thirds)
supports RAW files
sensor resolution not great (12 megapixels)
no Time Lapse recording
42
has manual focus
decently wide (28mm)
megapixel count good (14MP)
environment sealing
lens is fixed (fixed lens mount)
slow maximum aperture (f3.5)
tiny screen (2.7 inch)
lack of manual mode
does not have image stabilization
very small sensor size (1/2.3")
lack of RAW support
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Vlogging Comparison

Olympus E-P3 Vlogging features
Pentax WG-1 GPS Vlogging features
35
has touchscreen
image stabilization (Sensor based)
has face detection focus
high res video (1920 x 1080 pixels)
screen isn't selfie friendly
no external mic port
25
decently wide (28mm)
slow maximum aperture (f3.5)
display is not selfie friendly
does not have image stabilization
low video resolution (1280 x 720 pxls)
lack of external microphone port
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Olympus E-P3 vs Pentax WG-1 GPS Specifications

Detailed spec comparison table for Olympus E-P3 and Pentax WG-1 GPS
 Olympus PEN E-P3Pentax Optio WG-1 GPS
General Information
Brand Olympus Pentax
Model type Olympus PEN E-P3 Pentax Optio WG-1 GPS
Type Entry-Level Mirrorless Waterproof
Announced 2011-08-17 2011-08-16
Body design Rangefinder-style mirrorless Compact
Sensor Information
Powered by TruePic VI -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.17 x 4.55mm
Sensor surface area 224.9mm² 28.1mm²
Sensor resolution 12 megapixels 14 megapixels
Anti alias filter
Aspect ratio 4:3 -
Max resolution 4032 x 3024 4288 x 3216
Max native ISO 12800 6400
Min native ISO 100 80
RAW support
Autofocusing
Manual focusing
AF touch
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 35 9
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 28-140mm (5.0x)
Maximum aperture - f/3.5-5.5
Macro focusing range - 1cm
Number of lenses 107 -
Focal length multiplier 2.1 5.8
Screen
Display type Fixed Type Fixed Type
Display sizing 3 inches 2.7 inches
Display resolution 614 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch operation
Display tech 3:2 OLED with Anti-Fingerprint Coating TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Minimum shutter speed 60 secs 4 secs
Fastest shutter speed 1/4000 secs 1/1500 secs
Continuous shutter speed 3.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Set WB
Image stabilization
Built-in flash
Flash distance 10.00 m (@ ISO 200) 3.90 m
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, On, Off, Red-eye, Soft
Hot shoe
AEB
WB bracketing
Fastest flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1920x1080 1280x720
Video format AVCHD, Motion JPEG Motion JPEG
Microphone jack
Headphone jack
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 369g (0.81 lb) 167g (0.37 lb)
Physical dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 116 x 59 x 29mm (4.6" x 2.3" x 1.1")
DXO scores
DXO Overall 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 pictures 260 pictures
Battery form Battery Pack Battery Pack
Battery ID BLS-5 D-LI92
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC card SD/SDHC/SDXC card, Internal
Storage slots 1 1
Retail cost $0 $350